Journal articles: 'Lipoma'

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Gani, Mubashir, Asif Iqbal, and Ajaz Ahmad Rather. "Giant multilobular axillary lipoma." International Surgery Journal 11, no. 2 (January 30, 2024): 293–95. http://dx.doi.org/10.18203/2349-2902.isj20240188.

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Lipomas are common benign soft tissue tumours. Lipomas are usually small in size. Giant lipomas are uncommon. Large tumours can cause compression to the surrounding nerves and vessels. Axilla is an uncommon site of lipoma and giant axillary lipomas are rare. In this report we present a case of a 60-year male with giant multilobular axillary lipoma. The lipoma was unusual in its size, its appearance and site of occurrence. Histopathology revealed it to be a lipoma.

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Rahman, Mustafizur, Afroza Kutubi, Md Shamsuddin Khan, Mansurul Lslam, Kamruzzaman Al Mahmud, and Sharmin Lslam. "Gastric Lipoma." Journal of Surgical Sciences 18, no. 2 (November 4, 2019): 74–77. http://dx.doi.org/10.3329/jss.v18i2.43760.

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Lipoma, a universal tumor of adult fat cells is usually encountered in the subcutaneous plane. However no part of human body is spared of having lipomas. Gastrointestinal lipomas though rare, may prove to be more dangerous and needs special attention for diagnosis and treatment. Here, we report a 55 year old female with gastric lipoma who presented with upper abdominal pain, dyspepsia and acute upper gastrointestinal bleeding. Journal of Surgical Sciences (2014) Vol. 18 (2) : 74-77

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Kida, Akihiko, Koichiro Matsuda, Mitsuru Matsuda, Akito Sakai, and Yatsugi Noda. "A unique case of massive gastrointestinal bleeding." SAGE Open Medical Case Reports 5 (January 1, 2017): 2050313X1770034. http://dx.doi.org/10.1177/2050313x17700345.

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Objectives: Lipomas are the second most common benign tumors of the small bowel, and most lipomas are asymptomatic. However, lipomas with diameters of >20 mm tend to be symptomatic, for example, to cause bleeding, obstructive jaundice, abdominal pain, intestinal obstruction, intussusception, and/or perforation. Methods/Results: We report a case of massive gastrointestinal bleeding from a jejunal lipoma combined with intussusception. A preoperative diagnosis of gastrointestinal bleeding derived from a jejunal lipoma combined with intussusception was made based on double-balloon enteroscopy and contrast-enhanced computed tomography, and partial resection of the small intestine was performed. After surgery, there was no additional gastrointestinal bleeding. Conclusion: There have only been a few reports about cases of jejunal lipoma involving simultaneous bleeding and intussusception. Double-balloon enteroscopy is useful for preoperatively diagnosing bleeding from a lipoma. Our case highlights that jejunal lipoma can cause massive unexplained gastrointestinal bleeding.

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Nair, Akhil S., Sneha Hemachandran, and Santosh P. "A rare case of colonic lipoma causing colo-colonic intussusecption." International Surgery Journal 9, no. 2 (January 29, 2022): 486. http://dx.doi.org/10.18203/2349-2902.isj20220348.

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Gastrointestinal tract (GIT) lipomas are rare, benign mesenchymal neoplasm affecting all segments of the GIT and colon is affected most frequently. Reported incidence of colonic lipomas varies from 0.2% to 4.4%. Adult intussusception represents 1% of all bowel obstructions and 5% of all bowel intussuceptions. Gastrointestinal lipomas are rare benign tumors and intussusception due to a gastrointestinal lipoma constitute an infrequent clinical entity. Although intussusception is a common disease in children, intussusception caused by colonic lipoma in adults is a rare condition, and is usually caused by a large pedunculated lipoma. The majority are asymptomatic but may cause abdominal pain, obstruction or bleeding. The treatment for symptomatic or large lipomas is surgical excision. We would like to report a unique case of an elderly lady with colonic lipoma causing colo-colonic intussusception. After thorough investigations, exploratory laparotomy with colo-colonic anastomosis was done.

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Parelkar, S., S. Kapadnis, B. Sanghvi, P. Joshi, D. Mundada, S. Shetty, and S. Oak. "Carotid sheath lipoma: first case report in the English literature." Annals of The Royal College of Surgeons of England 95, no. 5 (July 2013): e3-e5. http://dx.doi.org/10.1308/003588413x13629960045878.

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Lipomas are the most commonly encountered benign mesenchymal tumour, arising in any location where fat is normally present. Lipomas in the head and neck are rare in all age groups. Cases of vascular sheath lipomas in the femoral region have only been reported in adults. In children, vascular sheath lipomas have not been described to date. We report the first case of a carotid sheath lipoma in a seven-year-old boy. He had a non-tender soft mass with ill defined borders occupying the left upper part of the neck. Magnetic resonance imaging showed a mass at the bifurcation of the left common carotid artery without involving the same. The mass was hyperintense on T1 and T2 weighted sequences, suggestive of a lipoma. The lipoma was enucleated after incising the carotid sheath, safeguarding its contents. Histopathology confirmed it as a lipoma.

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Creta, Massimiliano, Giacomo De Stefano, Roberto Buonopane, Ciro Barba, Sergio Di Meo, Vittorio Imperatore, Ciro Imbimbo, and Vincenzo Mirone. "Giant primary scrotal lipoma: A case report." Archivio Italiano di Urologia e Andrologia 89, no. 3 (October 3, 2017): 243. http://dx.doi.org/10.4081/aiua.2017.3.243.

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Lipomas are benign mesenchymal tumours that are rarely seen in the scrotum. Few cases of primary scrotal lipomas originating from the scrotal wall have been reported in the literature. We describe the case of a giant primary intrascrotal lipoma presenting as scrotal swelling and discomfort. Findings from scrotal magnetic resonance imaging were highly suspicious for lipoma. The mass was completely excised and histological examination confirmed the diagnosis of lipoma.

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Kopáčová, Marcela, Stanislav Rejchrt, and Jan Bureš. "Unroofing Technique as an Option for the Endoscopic Treatment of Giant Gastrointestinal Lipomas." Acta Medica (Hradec Kralove, Czech Republic) 58, no. 4 (2015): 115–18. http://dx.doi.org/10.14712/18059694.2016.1.

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Gastrointestinal lipomas are usually asymptomatic, detected incidentally. However, they can cause severe symptoms such as obstruction, invagination, and bleeding. The transsection of an infarcted or large lipoma by needle sphincterotome (needle knife) and/or snare polypectomy of the upper part of the tumour is an option for the endoscopy treatment of giant infarcted lipomas. Cutting a top of lipoma (unroofing technique) allowed flow out of adipose tissue from the lipoma.

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Ouédraogo, Mamadou Maïmouna, Laouali Salissou, Laouali Idi Mamane Sani, Alban Michel Bassolé, Mariama Abdoulaye, Muriel Ouédraogo, Yaya Ouedraogo, et al. "Diagnostic wandering of a case of giant pedicled lipoma of the left inguinal fold." Our Dermatology Online 14, no. 4 (October 1, 2023): 426–27. http://dx.doi.org/10.7241/ourd.20234.19.

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ABSTRACT Lipomas are usually benign tumors formed from a proliferation of mature adipocytes, resulting in hypodermic, soft, compressible, and mobile nodular formations under the skin. In their subcutaneous location, superficial lipomas represent 16% to 50% of soft tissue tumors. They may be solitary or multiple. Solitary lipoma is usually seen in young adults between the ages of 30 and 50 years, regardless of sex, and is frequently asymptomatic. A lipoma is called giant when its weight exceeds 1 kg or its diameter exceeds 5 cm. The etiopathogenesis of lipomas is poorly understood. Herein, we report a case of giant pedunculated lipoma localized on the left inguinal fold being a distress for the patient. Key words: Giant pedunculated lipoma, Diagnostic wandering, Ablation, Burkina Faso

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Muñoz Forner, Isabel. "Lipomas: mucho más que un “bultito de grasa”." Journal of Orthopaedic Surgery and Traumatology 5, Number 5 (December 12, 2022): 1–6. http://dx.doi.org/10.36438/jost2022016.

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Los tumores lipomatosos son un grupo común de lesiones mesenquimatosas. A lo largo de los años, los principales cambios en la clasificación de los tumores lipomatosos incluyeron la adición de varias variantes nuevas de lipoma, el uso del término lipoma atípico para liposarcoma bien diferenciado del tejido subcutáneo y el reconocimiento de la entidad liposarcoma desdiferenciado. Los lipomas, el tumor lipomatoso más común, representan casi la mitad de todas las lesiones benignas. En su forma típica, rara vez presentan problemas de diagnóstico para el patólogo. Sin embargo, los lipomas que se encuentran en ubicaciones profundas (p. ej., lipoma intramuscular) o aquellos que tienen características inusuales (p. ej., lipoma condroide, angiolipoma celular, lipoma de células fusiformes/pleomórfico) pueden confundirse con un liposarcoma. Estudios citogenéticos recientes han reafirmado la naturaleza separada de muchas de las variantes de lipoma.

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Koizumi, Toshizo, Katsunari Yane, Toshiaki Yamanaka, and Tadashi Kitahara. "A Method of Transoral Finger Dissection for a Giant Epiglottic Lipoma." Case Reports in Otolaryngology 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/640704.

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Background.Subcutaneous lipomas that occur in the trunk and proximal extremities are commonly dissected by low-invasive method. However, a standard surgical method for lipomas of the epiglottis has been absent. Microscopic laryngeal surgery is appropriate to extirpate small epiglottic lipomas. However, microscopic laryngeal surgery may be insufficient for giant epiglottic lipomas because there is restricted visualization of the operating field of the tumor under the microscope. Furthermore, microscopic surgical instruments are very small to manipulate giant lipomas, and it would be excessive to approach these lipomas via external cervical incisions.Case Presentation.A 57-year-old female presented with a giant lipoma on the lingual surface of the epiglottis. Following a tracheotomy, microscopic surgery was inadequate to manipulate the epiglottic lipoma. Instead, we performed macroscopic surgery in which the epiglottic lipoma was pulled into the oral cavity with forceps and then separated from the surrounding tissues using the surgeon’s finger to dissect the tumor en bloc.Conclusion.The low-invasive method of transoral finger dissection enabled the giant lipoma to be extirpated without leaving any remnants or causing excessive epiglottic damage.

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Peswani, Rahul, BL Chandrakar, Rakesh Thakkar, and Ankit Arunbhai Desai. "Lipoma in Thenar Region." Duke Orthopaedic Journal 5, no. 1 (2015): 68–69. http://dx.doi.org/10.5005/jp-journals-10017-1059.

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ABSTRACT Lipomas can be found anywhere in the body, with the majority being located in the head and neck region, as well as the back and abdomen. Lipomas are one of the most common benign, mesenchymal neoplasms. They may progress in size overtime and they may or may not be painful. They may be superficial or deep. Deep soft-tissue lipomas of the hand are rare. Among them, thenar intramuscular lipomas are very rare. We are reporting case of thenar intramuscular lipoma. Desai AA, Chandrakar BL, Thakkar R, Peswani R. Lipoma in Thenar Region. The Duke Orthop J 2015;5(1):68-69.

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Rančić, Nemanja, Jelena Golubović, Jasna Pešić, Ratko Stamatović, Miroslav Mišović, Biserka Vukomanović-Đurđević, and Jasenka Vasić-Vilić. "Radiological diagnostics of rare benign bone tumor intraosseous lipoma: Intraosseous lipoma." Serbian Journal of Anesthesia and Intensive Therapy 42, no. 5-6 (2020): 83–88. http://dx.doi.org/10.5937/sjait2004083r.

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Introduction/Aim: Lipomas are frequent benign tumors; however, they are rarely localized in bone tissue. Osseous lipomas are categorized according to their location into parosteal, intraosseous, and intracortical. The incidence of intraosseous lipomas is 0.1% of all bone tumors. The most frequent location is in the long tubular bones and calcaneus. This case report aims to present the radiological diagnostics of intraosseous lipoma. Case report: 43-year-old patient with Achilles tendon rupture was admitted to the orthopedic clinic. Radiography of left ankle joint detected a radiolucent, well-circumscribed lesion in the anterior aspect of the calcaneus with a sclerotic board. Magnetic resonance imaging (MRI) revealed bone lesion dimension anteroposterior, craniocaudal, and laterolateral 38 x 22 x 37 mm, composed of peripheral adipose tissue and central calcified nidus, which indicate intraosseous lipoma. Based on histopathological findings, necrotic and viable bone tissue with components of mature and necrotic fatty tissue confirmed the diagnose of intraosseous lipoma. Conclusion: Standard radiographs of bone structures, as the first diagnostic procedure, can make suspects of intraosseous lipoma. MRI and multidimensional computerized tomography can further verify and with more details completely characterize, while histopathological verification is the final step in the diagnose of intraosseous lipoma.

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Rustagi, Ashish, Anish Agarwalla, Loveneesh G. Krishna, Jatin Talwar, and Sarang Agarwal. "Parosteal lipoma of proximal radius: A rare case report and its clinical approach." Journal of Orthopaedics, Trauma and Rehabilitation 27, no. 1 (September 3, 2019): 77–80. http://dx.doi.org/10.1177/2210491719868823.

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Lipoma is the most common benign soft tissue tumor; however, they are rarely seen in bony tissue. Osseous lipomas are classified as intraosseous (originating within the bone) or juxtacortical (on its surface). Surface lipomas may be further subdivided into parosteal lipoma and subparosteal lipoma, depending on its anatomical relationship to periosteum. Parosteal lipoma is a rare benign fatty neoplasm, accounting for less than 0.3% of all lipomas. They are almost always solitary occurring in the extremities sometimes with periosteal changes. Owing to its rarity, we report a case of parosteal lipoma of proximal radius in a 32-year-old female without periosteal changes and without nerve involvement. It was evaluated clinically and radiologically and a core needle biopsy was done which was suggestive of benign lipomatous lesion. Then en masse excisional biopsy was done and the diagnosis of parosteal lipoma was established after histopathological examination. Pertaining to its anatomical location, surgical dissection is very important to preserve superficial radial nerve, posterior interosseous nerve, and supinator muscle. At final follow-up, patient is doing well with full range of motion, preserved nerve function and elbow function.

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Lee, Kyung Suk, Jae Bong Shin, Jun Sik Kim, Gi Cheol Do, Min Hyung Kim, and Nam Gyun Kim. "A Large Intermuscular Lipoma of the Posterolateral Neck: A Case Report." Korean Society for Head and Neck Oncology 39, no. 1 (May 31, 2023): 19–21. http://dx.doi.org/10.21593/kjhno/2023.39.1.19.

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Lipomas are a common soft-tissue tumor of mesenchymal origin, but intermuscular lipomas are very infrequently found especially in the cervical region. Although lipoma itself rarely causes complications, an accurate diagnosis and appropriate treatment are important. Surgical excision is indicated for deep lipomas that are 5 cm or larger, grow, or are accompanied by symptoms such as pain. It is also important to differentiate malignant tumors through pathological examination. Since the size of the lipoma was large, lipoma was divided into several pieces to successful removal, and the patient in this case showed successful recovery after surgery.

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Bechara, Falk Georges, Michael Sand, Daniel Sand, Sebastian Rotterdam, Markus Stücker, Peter Altmeyer, and Klaus Hoffmann. "Lipolysis of Lipomas in Patients with Familial Multiple Lipomatosis: An Ultrasonography-Controlled Trial." Journal of Cutaneous Medicine and Surgery 10, no. 4 (July 2006): 155–59. http://dx.doi.org/10.2310/7750.2006.00040.

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Background: Surgery of multiple lipomas, as in patients with familial multiple lipomatosis, is often limited by poor aesthetic outcome owing to extensive scarring. For this reason, phosphatidylcholine (PDC) has been widely used to treat areas of localized fat accumulation. However, no reports of lipoma therapy with intralesional application of PDC, that is, injection lipolysis, have been published to date. Objective: To investigate whether injection lipolysis with PDC is an effective therapeutic option for patients with multiple lipomas. Methods: Thirty lipomas in 10 patients were sonographically measured prior to treatment. Four injections at intervals of 6 to 8 weeks were done. Sonographic measurements of lipoma size were repeated before each injection. Side effects, a pain score using a visual analogue scale, and patient satisfaction were noted. In one lipoma, histologic changes after lipolysis are described. Results: After four injections, a significant reduction in size of 45.8% was achieved. No complete elimination was seen in any lipoma. Histology showed a mild granulomatous septal panniculitis. Hematoma occurred in eight cases (27%). Four patients described pain on pressure for 3 days after injection. No severe side effects or systemic reactions were observed. Conclusion: Although surgery is the gold standard for lipoma therapy, injection lipolysis with PDC can also significantly reduce lipoma size. Complete elimination was not observed in any lipoma. Given that this was a short-term study, long-lasting therapeutic effects and possible recurrence of lipoma cannot be evaluated.

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Takasaki, Kenji, Hisakazu Yano, Tomayoshi Hayashi, and Toshimitsu Kobayashi. "Nasal lipoma." Journal of Laryngology & Otology 114, no. 3 (March 2000): 218–20. http://dx.doi.org/10.1258/0022215001905166.

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Several lipomas of the nasal cavity and paranasal sinus have previously been reported to date. We present a 21-year-old case with nasal lipoma situated on the left posterior of part of the nasal septum, operated on endoscopically. The present case is, to our knowledge, the first report on nasal lipoma in the adult.

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den Bakker, Michael A., Dorine T. den Toom, Tim H. C. Damen, Hein F. B. M. Sleddens, Isabella C. Meijssen, Stijn Deloose, Mike Kliffen, and Winand N. M. Dinjens. "Anisometric Cell and Dysplastic Lipomas in a Retinoblastoma Patient." International Journal of Surgical Pathology 28, no. 7 (May 4, 2020): 793–98. http://dx.doi.org/10.1177/1066896920917220.

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Anisometric cell lipoma (ACL) and dysplastic lipoma (DL) are underrecognized subtypes of benign lipomatous tumors, with wide variation in cell size, microscopic fat necrosis, and no or mild nuclear changes (DL). ACL/DL appear more commonly in retinoblastoma patients, in whom an increased incidence of lipomas has been established. The occurrence of ACL/DL in retinoblastoma patients suggests that RB1 aberrations play a role in its pathogenesis, similar to spindle cell/pleomorphic lipoma. In this article, we present a patient with a history of retinoblastoma with multiple lipomas histologically consistent with ACL/DL. Analysis of the lipomas supports involvement of RB1 in the development of ACL/DL. Dysplastic changes were only seen in a single lipoma, which harbored an additional TP53 mutation. While providing further support for the occurrence of ACL/DL in retinoblastoma patients, we also suggest that DL is an ACL with TP53 mutation.

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Jihan Azzahra Arsyi, Anik Handayati, and Sri Sulami Endah Astuti. "Diagnostic Test of FNAB Towards Histopathology in Lipoma Soft Tissue Tumor Patients." Medicra (Journal of Medical Laboratory Science/Technology) 6, no. 2 (December 31, 2023): 38–43. http://dx.doi.org/10.21070/medicra.v6i2.1653.

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Lipomas are the most common soft tissue tumor neoplasms. Their range from benign lipomas to high grade liposarcomas. Liposarcoma happens when the neoplasm of a lipoma is malignant. There are various diagnostic methods that can be used to evaluate lipomas, one of which is Fine Needle Aspiration Biopsy (FNAB). FNAB is the initial diagnosis to determine the diagnosis of lipoma soft tissue tumors. Histopathology is the definitive diagnosis or the gold standard for diagnosing lipoma soft tissue tumors. This research aims to determine the value of the Fine Needle Aspiration Biopsy diagnostic test against histopathological tests as the gold standard in lipoma soft tissue tumor patients. This research is a retrospective with a descriptive observational design. This research involved taking medical records of patients with lipoma soft tissue tumors who were examined by FNAB at RSPAL dr. Ramelan, Surabaya for the period August 2019 - December 2021. The results of the FNAB examination were then matched against the histopathological examination data as the gold standard. Data processing using 2x2 cross tabulation to calculate the diagnostic test which includes sensitivity, specificity, positive predictive value, negative predictive value, and accuracy against the gold standard. The results of the Fine Needle Aspiration Biopsy diagnostic test for histopathology in soft tissue lipoma tumors obtained sensitivity of 100.00%, specificity 95.83%, positive predictive value (NRP) 87.5%, negative predictive value (NRN) 100.00%, and 96.77% accuracy. Fine Needle Aspiration Biopsy (FNAB) has good diagnostic value for diagnosing lipoma soft tissue tumors.

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Huppes, Rafael Ricardo, Natália Dal Pietro, Mônica Carolina Wittmaack, Guilherme Sembenelli, Cynthia Marchiore Bueno, Josiane Morais Pazzini, Paulo César Jark, Andrigo Barboza De Nardi, and Jorge Luiz Costa Castro. "Intermuscular Lipoma in Dogs." Acta Scientiae Veterinariae 44, no. 1 (January 16, 2016): 7. http://dx.doi.org/10.22456/1679-9216.84704.

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Background: Lipoma is a benign tumor composed of mature adipose tissue commonly found in subcutaneous tissues. However, eventually, lipomas may be located between the muscle fasciae being classifed as intermuscular lipomas. Complete surgical resection of the tumor mass is indicated as a treatment of affected patients.This report describes fve cases of intermuscular lipoma in dogs, due to the scarcity of data in the literature and lipoma relative importance in the clinical and surgical routine.Case: Five dogs were presented with a history of a large volume in the limbs with progressive growth, suggesting the presence of neoplasia. The frst step was to conduct anamnesis, when the owner reported slow growth, absence of pain, limping and licking of site. No other change was observed upon physical examination. Complete blood count (CBC) as well as liver assessment (FA) and renal (creatinine) were performed in all patients, and the results showed no changes. Fine needle aspiration cytology (FNAC) was performed and showed cells from adipose tissue, followed by histopathological examination of the lesions. Histopathological examination after incisional biopsy of the tumors showed malignancy-freetissue, composed of adipocytes without atypia, interspersed with fbrovascular stroma, confrming the lipoma diagnosis.Intermuscular lipomas were diagnosed in fve dogs with a history of a large volume in the limbs with progressive growth; all of them underwent bloc resection of the tumors. In all cases, the intermuscular lipomatous tumors were well-circumscribed and easily isolated from the tissues.Discussion: Although lipomas are relatively common in older dogs, especially in the subcutaneous tissue, intermuscular subtype is rare in veterinary medicine, which justifes the report of these cases. Intermuscular lipomas account for only 0.3% of the occurrences in human medicine. Morphologically described as tumors of slow and progressive evolution, typically reaching sizes up to 2 cm in humans, the particular cases of tumor masses greater than 5 cm are called giant lipomas. Theslow development of intermuscular lipomas has also been described in domestic animals by, thus corroborating the clini cal history in this work. The intermuscular septum is considered as the origin of intermuscular lipoma, with subsequent development of the adipose tissue between adjacent muscle bundles, thus, resulting usually in well-circumscribed mass of easy surgical divulsion. The morphological characteristics of the resected lipomas, as well as the simple surgical technique corroborate descriptions in the literature. Intermuscular lipomas consist of a challenging diagnosis despite attracting little attention from surgeons. The possibility of the mass being malignant, such as liposarcoma, should also be consideredsince the clinical symptoms consist of swelling of the deep soft tissues. The diagnosis for all these patients was obtained by histopathological examination, since the simple observation of the clinical fndings alone does not support the tumor diagnosis. Lipoma and liposarcoma should be differentiated by cytological and histopathological evaluations of the neoplasia, whereas infltrative lipomas can be diagnosed based on diagnostic imaging methods or even on the fndings during surgery. In this report, specifcally, the fndings during surgery contributed to the differentiation between infltrative and intermuscular lipoma, while for malignancy rating all patients underwent cytological and histopathological evaluations asindicated in the literature. In conclusion, this study demonstrated that complete resection of intermuscular lipoma proved to be an effective treatment to cure the patients.Keywords: benign neoplasm, surgery, resection of intermuscular, canine.

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Reda, Ahmed, and Ihab Gomaa. "Vulvar Lipoma: A Case Report." Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics 40, no. 10 (October 2018): 647–49. http://dx.doi.org/10.1055/s-0038-1670642.

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AbstractThe present study is a case report of vulvar lipoma. The vulva is a rare site for the development of lipomas, and the aim of the study is to determine if the current imaging modalities can diagnose lipomas correctly. A 43-year-old patient presented with a painless, slowly progressive, oval, mobile and non-tender right vulvar mass compressing the vagina and totally covering the introitus. Both the ultrasonography and magnetic resonance imaging (MRI) exams suggested the diagnosis of lipoma. Surgical excision was performed, and the histopathological examination of the mass confirmed a lipoma.

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Bilgin, Mehmet, Huseyin Toprak, Issam Cheikh Ahmad, Erkan Yardimci, and Ercan Kocakoc. "Ileocecal Intussusception due to a Lipoma in an Adult." Case Reports in Surgery 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/684298.

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While intestinal tumors are rare, small intestinal lipomas are even more uncommon benign neoplasms. They are usually asymptomatic, but lipomas larger than 2 cm may become symptomatic due to obstruction, bleeding, or intussusception. In this paper, US and CT findings of a lipoma located in the terminal ileum and causing ileocecal intussusception were discussed. We report a case of small bowel lipoma that became symptomatic due to intermittent obstruction episodes and ileocecal intussuception. If the diagnosis of intestinal lipoma had been made absolutely as in our case, they should be removed surgically in elective conditions.

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Balani, Ankit, Ashwini Sankhe, Tilak Dedhia, Maunil Bhuta, Narayan Lakhotia, and Jagir Yeshwante. "Lump on Back: A Rare Case of Parosteal Lipoma of Scapula." Case Reports in Radiology 2014 (2014): 1–3. http://dx.doi.org/10.1155/2014/169157.

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Lipomas are benign tumors of mature adipose tissue which can occur in subcutaneous, intramuscular, intermuscular, parosteal, and intraosseous compartments. Parosteal lipoma is a rare type of lipoma, accounting for less than 0.1% of primary bone neoplasms and 0.3% of all lipomas. Parosteal lipomas commonly arise in the femur and extremities. Around 150 cases have been reported in English literature with scapula being a rare site of involvement. They are known to be associated with underlying bony changes like focal cortical hyperostosis, pressure erosion of the underlying bone, and bowing deformity or with underlying osteochondroma. We report a rare case of a parosteal lipoma arising in the scapula with a bony excrescence in a 38-year-old male.

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Sharma, Barun Kumar, and OP Dhakal. "Large Gastric Lipoma." Kathmandu University Medical Journal 10, no. 3 (May 1, 2013): 70–72. http://dx.doi.org/10.3126/kumj.v10i3.8024.

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Gastric lipoma is a rare benign tumor and seen in five percent of gastro-intestinal lipomas and accounts for less than one percent of all gastric tumors. Gastric lipomas are located submucosally and usually in antral region of Stomach. Computed tomography is considered as valuable tool in the diagnosis of gastrointestinal lipomas. Due to their relative rarity, gastric lipomas are often left out of the differential diagnosis for upper gastro-intestinal submucosal masses. We report a case of 70 year female that presented with upper abdominal pain since last two years. Abdominal Computed tomography revealed a large gastric lipoma in antral region. Patient refused for any surgical intervention due to old age. Patient was provided symptomatic treatment and was under regular follow-up. Kathmandu University Medical Journal | VOL.10 | NO. 3 | ISSUE 39 | JUL- SEP 2012 | Page 70-72 DOI: http://dx.doi.org/10.3126/kumj.v10i3.8024

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Franc-Law, Jeffrey M., Louis R. Begin, Carol-Ann Vasilevsky, and Philip H. Gordon. "The Dramatic Presentation of Colonic Lipomata: Report of Two Cases and Review of the Literature." American Surgeon 67, no. 5 (May 2001): 491–94. http://dx.doi.org/10.1177/000313480106700524.

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Colonic lipoma with a dramatic presentation requiring urgent operation is a rare occurrence. We report two such cases in conjunction with a review of the literature on colonic lipomata. Clinicopathologic features of two patients who required urgent resection were studied. The preoperative diagnosis of colonic lipoma was suggested on imaging study in one case. A MEDLINE search was conducted with a special goal of revealing cases with a dramatic presentation. One patient presented with rectal bleeding and intussusception related to a partially infarcted 4.5-cm submucosal lipoma of the lower descending colon. The second patient presented with intestinal obstruction related to a near-totally infarcted 6-cm submucosal lipoma at the splenic flexure. In both cases a florid reactive vascular and fibro-/myofibroblastic proliferation and associated hyperplastic mucosal pattern were present at the base and edge of the lipoma. Among 275 previously reported cases of colonic lipoma 28 patients had a dramatic presentation with pain and/or rectal bleeding being the most significant prodromal symptom. In this subset the lipomas tended to be larger, frequently had associated marked necrosis/ulceration, and were less likely to be located in the ascending colon/cecum. Whereas colonic lipomas are relatively common occasional cases present dramatically with massive bleeding, intussusception, or even perforation for which emergency operation is required. Such lipomas usually reveal marked ischemic changes.

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Singh, Mahendra, Ashish Saxena, Lovekesh Kumar, Snehal K. Karande, and Yuvraj Kolhe. "Giant Lipoma of Posterior Cervical Region." Case Reports in Surgery 2014 (2014): 1–2. http://dx.doi.org/10.1155/2014/289383.

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Lipomas are the slow growing soft tissue tumors of benign nature. They commonly grow on torso and extremities but may also develop in head and neck region. Rarely lipomas can grow to acquire gigantic proportions, turning into an entity termed as giant lipoma. Such lipomas are entitled to immediate attention as they have a relatively high malignant potential. We report a rare case of giant cervical lipoma in an elderly gentleman, followed by a brief discussion on diagnosis and management of the disorder.

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Tomiki, Yuichi, Koichiro Niwa, Kiichi Nagayasu, Yu Okazawa, Shingo Ito, Ryosuke Ichikawa, Hisashi Ro, Shun Ishiyama, Kiichi Sugimoto, and Kazuhiro Sakamoto. "Two Patients with Large Colonic Lipomas for which Endoscopic Unroofing was Ineffective." Case Reports in Gastroenterology 10, no. 3 (October 10, 2016): 538–44. http://dx.doi.org/10.1159/000450542.

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Endoscopic unroofing is effective for treating large colonic lipomas. However, additional endoscopic resection is occasionally required when the outcomes of initial unroofing are incomplete. The colonoscopy of an 82-year-old woman with abdominal pain revealed a yellowish lipoma of about 20 mm in the transverse colon. The mass was treated by unroofing, but a follow-up colonoscopy 5 days later revealed residual lipoma. One month later, the regenerated surface had become covered with mucosa, and the status of the lipoma had returned to that before unroofing. The colonoscopy of a 74-year-old man with abdominal pain and melena revealed a 50-mm-wide protruding lipoma in the transverse colon. The mucosa of the upper third of the lipoma was excised using an electric knife and snare, which allowed the immediate partial drainage of adipose tissue. Unroofing proceeded, but 7 days later, the unroofed surface had become coated with a white substance, and the residual lipoma required additional endoscopic resection. Colonic lipomas are often asymptomatic. However, patients with abdominal pain and hemorrhage should be treated in consideration of complete resection, but not by unroofing, which could leave a residual tumor. Drainage should be confirmed after unroofing and any residual lipoma should be treated by additional resection.

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Kumar, Atish, Dharani Priya, Jayesh S., and Kamal Kataria. "Thenar intramuscular lipoma: a rare case report." International Surgery Journal 4, no. 10 (September 27, 2017): 3532. http://dx.doi.org/10.18203/2349-2902.isj20174532.

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Lipoma, though one of the most common benign mesenchymal neoplasms, its presentation in hand is very rare. It can be located in various planes. Intramuscular lipomas are uncommon and usually occur in the proximal muscles of the extremities. Intramuscular lipoma of hand is extremely rare and only very few cases have been reported in the literature. Lipomas of hand may present with neurovascular deficit due to compression. We present here an unusual case of intramuscular lipoma of thenar region with no neurovascular deficit which was surgically excised under local anaesthesia with good cosmetic and functional outcome.

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Math, Kevin R., Helene Pavlov, Edward DiCarlo, and Walther H. O. Bohne. "Spindle Cell Lipoma of the Foot: A Case Report and Literature Review." Foot & Ankle International 16, no. 4 (April 1995): 220–26. http://dx.doi.org/10.1177/107110079501600411.

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Lipomas are among the most commonly encountered soft tissue tumors in clinical practice, though they are rare in the foot. Although a presumptive diagnosis is typically made clinically, those tumors with atypical clinical features may require radiological consultation. Difficulty arises when radiographic features are not typical of lipoma. We present a fatty soft tissue tumor of the foot with nonadipose elements on magnetic resonance imaging evaluation. Differentiation of lipoma variants (e.g., spindle cell lipoma, atypical lipoma, pleomorphic lipoma, lipoblastoma, angiolipoma) from liposarcoma based on imaging features is not possible, necessitating surgical resection for definitive histological diagnosis.

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Rina Prasad and Kamlesh Jaiswal. "A rare case of recurrent anemia with giant lipoma of jejunum: A case report." Open Access Research Journal of Science and Technology 10, no. 1 (February 28, 2024): 141–44. http://dx.doi.org/10.53022/oarjst.2024.10.1.0014.

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Lipoma of the gastrointestinal tract is a rare, benign, usually single, slow growing, non-epithelial neoplasms derived from mature adipocytes.3 The colon is the commonest site of the digestive tract with an incidence rate ~4.4%. Most of the lipomas are asymptomatic and incidentally detected.3 Lipoma should be differentiated from true neoplasia, because in most of the cases they do not need any intervention unless they cause a symptom or are large in size.3 Endoscopic resection is preferred for lipomas < 2cm and surgery for lipomas > 2cm to avoid complication such as bleeding and perforation. We report a case of a 40-year-old male, who was found to have 15cm jejunal lipoma by imaging and confirmed by histopathology.

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Wadkin, James C. R., Sebastian Senes, Scott Evans, and Jonathan Stevenson. "Tumour in a tumour: a well-differentiated spindle cell sarcoma within a forearm lipoma." BMJ Case Reports 12, no. 1 (January 2019): bcr—2018–227533. http://dx.doi.org/10.1136/bcr-2018-227533.

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Lipomas are common, benign, soft tissue masses in adults. Sarcomatous change within a giant lipoma is a very rare event. We present a case of a woman presenting with a forearm lipoma that subsequently developed a central, well-differentiated, spindle-cell sarcoma within the lipoma. This case underlines the importance of identifying red flags for referral of soft tissue tumours.

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Xu, Long, Xiao Dong Zhang, Chen Zeng, and Han Feng Yang. "Analysis of Missed Diagnosis of Gastric Lipomas by CT." Current Medical Imaging Formerly Current Medical Imaging Reviews 17, no. 7 (August 5, 2021): 911–15. http://dx.doi.org/10.2174/1573405617666210225094532.

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Introduction: Although Computed Tomography (CT) is the most convenient technology for the diagnosis of gastric lipoma, it also has a high rate of missed diagnosis of gastric lipoma. Objective: To analyze the causes of missed diagnosis of gastric lipomas by CT. Methods: We retrospectively studied the CT images and CT diagnosis reports of 25 cases of gastric lipoma confirmed by surgery or clinical follow-up at the Affiliated Hospital of North Sichuan Medical College and Nanchong Central Hospital from 2016 to 2020 and analyzed the causes of missed diagnosis of gastric lipomas. Results: Among the 25 cases of gastric lipomas included in this study, 17 cases (68.0%) were correctly diagnosed by CT, and 8 cases (32.0%) were missed, but there was no case of misdiagnosis. Eighteen cases (72.0%) of gastric lipomas were located in the gastric antrum, 2 cases (8.0%) at the junction of the gastric body and antrum, 5 cases (20.0%) at the fundus of the stomach, 23 cases (92.0%) under the gastric mucosa, and 2 cases (8.0%) under the gastric serous membrane. All gastric lipoma cases were manifested as round or oval-shaped low-density shadows with clear boundaries on CT. 22 cases (88.0%) showed homogeneous low-density shadows while 3 cases (12.0%) mainly showed low-density shadows containing medium-density strips. There was no obvious enhancement in the contrast-enhanced CT scan. The gastric lipoma cases missed by CT were all located under the gastric mucosa of the gastric antrum. When reading the CT images on the default upper abdominal window width and window level, all the missed lesions were similar to the gas image. And the straight meridian of the three lesions was less than 2 cm. Conclusion: Fat density shadow in gastric antrum area was mistaken for gastrointestinal gas. Improper CT image window width and window levels and small gastric lipoma volume, along with insufficient knowledge of gastric lipomas imaging by the clinician, might be the main causes of missed diagnosis of gastric lipomas by CT. Familiarity with the CT manifestations of gastric lipomas and rich clinical experience can improve the rate of correct diagnosis of gastric lipomas by CT.

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Islami, Egi Ghilman, and Yuhantoro Budi Handoyo Sakti. "Wide Excision of a Giant Lipoma of The Upper Arm: A Case Report." Herb-Medicine Journal: Terbitan Berkala Ilmiah Herbal, Kedokteran dan Kesehatan 6, no. 1 (May 30, 2023): 1. http://dx.doi.org/10.30595/hmj.v6i1.17239.

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A lipoma is the most typical mesenchymal tumor. Over time, lipomas can grow into substantial masses. Case, A 71-year-old woman complained of a mass in her upper right arm but reported no pain or discomfort. The mass is 13 x 11 x 6 cm in size. Histopathological analysis and a wide excision surgical approach were used. A mass more than 5 cm in diameter is considered a giant lipoma. A differential diagnosis of liposarcoma can be made using a computed tomography (CT) scan or magnetic resonance imaging (MRI). The two surgical procedures of wide and marginal excision are typically used to treat lipomas depending on the size of the lipoma mass. The histopathological examination has an important role in confirming the diagnosis. The researchers describe a lipoma tumor with a large size in the upper arm after wide excision surgery.

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Munde, Priyanka Tidke, Prashant B. Munde, and Pradnya Jadhav. "Intraoral Lipoma of Palatal Mucosa." Journal of Contemporary Dentistry 6, no. 2 (2016): 142–44. http://dx.doi.org/10.5005/jp-journals-10031-1159.

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ABSTRACT Lipomas are most common, benign, soft tissue tumors in the body; however, they are rarely seen in the oral cavity. Intraoral lipomas are seen as benign, well-encapsulated swelling without pain with added yellowish tinge. We are presenting a case of an intraoral lipoma where the 22-year-old female presented a single well-encapsulated swelling in the posterior aspect of the palate on left side. The purpose of this report is to emphasize the need for dentists to be aware of frequency of occurrence of intraoral lipoma. How to cite this article Munde PT, Munde PB, Jadhav P. Intraoral Lipoma of Palatal Mucosa. J Contemp Dent 2016;6(2):142-144.

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Dranova, Sabina, Danny Darlington Carbin, Matthew Perry, and Wissam Abou Chedid. "Simultaneous excision of pelvic lipoma and robot-assisted radical prostatectomy." BMJ Case Reports 16, no. 3 (March 2023): e254813. http://dx.doi.org/10.1136/bcr-2023-254813.

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Lipoma is a benign mesenchymal tumour that can develop in any part of the body containing adipose tissue. Very few cases of pelvic lipomas have been reported in the literature. Due to their location and slow growth, pelvic lipomas are often asymptomatic for a prolonged time. Thus, on diagnosis, they are usually found to be of considerable size. Due to their size, pelvic lipomas can present causing bladder outlet obstruction, lymphoedema, abdominal and pelvic pain, and constipation, as well as present with deep vein thrombosis (DVT) like symptoms. Patients with cancer have a much higher risk of developing DVT. Here, we describe a case of an incidental finding of pelvic lipoma mimicking DVT in a patient with organ-confined prostate cancer. He eventually underwent simultaneous robot-assisted radical prostatectomy and lipoma excision.

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Kalan, A., A. Ahmed-Shuaib, and M. Tariq. "Lipoma in fossa of Rosenmüller." Journal of Laryngology & Otology 114, no. 6 (June 2000): 465–66. http://dx.doi.org/10.1258/0022215001905869.

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Angileri, T., A. Iovane, and F. Coppolino. "Vertebral Lipoma." Rivista di Neuroradiologia 10, no. 4 (August 1997): 479–82. http://dx.doi.org/10.1177/197140099701000415.

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Intraosseous lipoma is a rare benign tumour of the skeleton. Despite equally occurring equally in men and women of all ages (5 to 75 y.o.), it is usually identified during the IVth-VIth decades of life. Although these lesions can be entirely asymptomatic, approximately two thirds of patients with intraosseous lipomas have localized pain and variable amounts of soft tissue swelling. The pain can be continuous or intermittent at rest, increasing after physical activity. Pathological fractures rarely occur. We describe a patient with vertebral lipoma studied with CT and MRI. MRI can easily demonstrate the fatty nature of vertebral lipomas, thanks to the characteristic high signal intensity on T1 weighted Spin Echo scans and the saturation of fatty signal on fat-saturating sequences, providing an accurate assessment of the degree of lesion involution.

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Dilek, Okan, Omer Kaya, Cengiz Yilmaz, Gokhan Soker, Bozkurt Gulek, and Mehmet Ali Akin. "A Rare Cause of Obstructive Sleep Apnea Syndrome: Retropharyngeal Lipoma." Case Reports in Radiology 2017 (2017): 1–3. http://dx.doi.org/10.1155/2017/2134362.

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Lipoma is the most common benign mesenchymal neoplasm. About 16% of lipomas arise in the head and neck region, especially in the posterior neck. Large lipomas that originate from the retropharyngeal space may cause dyspnea, dysphagia, and snoring and occasionally may lead to obstructive sleep apnea syndrome (OSAS). Herein, we report a 45-year-old male patient with OSAS caused by a giant retropharyngeal lipoma with emphasis on CT findings.

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Kurogi, Ai, Nobuya Murakami, Takato Morioka, Nobutaka Mukae, Takafumi Shimogawa, Kyoko Kudo, Satoshi O. Suzuki, and Masahiro Mizoguchi. "Two cases of retained medullary cord running parallel to a terminal lipoma." Surgical Neurology International 12 (March 24, 2021): 112. http://dx.doi.org/10.25259/sni_626_2020.

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Background: Retained medullary cord (RMC) is a newly defined entity believed to originate from the late arrest of secondary neurulation. Some RMCs contain varying amounts of lipomatous tissues, which need to be differentiated from spinal lipomas, such as filar and caudal lipomas (terminal lipomas). Case Description: We surgically treated two patients with a nonfunctional cord-like structure (C-LS) that was continuous from the cord and extended to the dural cul-de-sac, and ran parallel to the terminal lipoma. In both cases, untethering surgery was performed by resecting the C-LS with lipoma as a column, under intraoperative neurophysiological monitoring. Histopathological examination confirmed that the central canal-like ependyma-lined lumen with surrounding neuroglial and fibrocollagenous tissues, which is the central histopathological feature of an RMC, was located on the unilateral side of the resected column, while the fibroadipose tissues of the lipoma were located on the contralateral side. Conclusion: Our findings support the idea proposed by Pang et al. that entities such as RMC and terminal lipomas are members of a continuum of regression failure occurring during late secondary neurulation, and the coexistence of RMC and terminal lipoma is not a surprising finding. Therefore, it may be difficult in clinical practice to make a distinct diagnosis between these two entities.

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Nerurkar, Nupur Kapoor, Ankit A. Jain, and Binhi H. Desai. "Lipoma of the Larynx: Our Experience." International Journal of Phonosurgery & Laryngology 6, no. 2 (2016): 89–92. http://dx.doi.org/10.5005/jp-journals-10023-1130.

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ABSTRACT Objective Four cases of laryngeal lipoma are presented with a discussion of their differential diagnoses and management. Materials and methods Case report and literature review. Results Laryngeal lipomas, though a fairly rare entity, are occasionally the cause of persistent hoarseness of voice. An accurate diagnosis is important and the management may vary from surgical excision to only wait and watch policy, as these tumors are usually slow growing. A discussion of the presentation and management of four cases of laryngeal lipoma managed by us is documented with a review of literature. Conclusion Laryngeal lipomas have no set management protocol. A custom-made plan for each patient should be charted out depending on the symptoms of the patient and extent of the lipoma. How to cite this article Nerurkar NK, Jain AA, Desai BH. Lipoma of the Larynx: Our Experience. Int J Phonosurg Laryngol 2016;6(2):89-92.

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Lee, Jung Wook, Su Jin Kim, Cheol Woong Choi, Dae Hwan Kang, Hyung Wook Kim, Su Bum Park, Hyeong Seok Nam, and Dae Gon Ryu. "Endoscopic Removal of Gastric Lipoma with Hemorrhage Using Endoscopic Submucosal Dissection." Korean Journal of Medicine 95, no. 6 (December 1, 2020): 398–403. http://dx.doi.org/10.3904/kjm.2020.95.6.398.

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Most upper gastrointestinal lipomas occur in the duodenal second portion, and gastric lipomas are rare. Most lipomas are usually asymptomatic, but symptoms such as abdominal pain, intussusception, ulceration, and intestinal obstruction may occur depending on the size and location and, rarely, can cause bleeding. Endoscopic polypectomy, endoscopic mucosal resection, and surgical resection are the treatments of choice for lipomas with intestinal obstruction or bleeding. Upper gastrointestinal bleeding from lipoma is mostly of duodenal origin and very rarely from the stomach. Here, we report a case of successful treatment of gastric lipoma with massive bleeding by endoscopic resection.

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Gradica, Fadil, Daniela Xhemalaj, Rushan Muhameti, Alma Cani, Lutfi Lisha, Fahri Kokici, and Dhimitraq Argjiri. "Pleural Lipoma. A case Report." Albanian Journal of Trauma and Emergency Surgery 6, no. 2 (July 20, 2022): 1097–99. http://dx.doi.org/10.32391/ajtes.v6i2.285.

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Lipomas are benign tumors from adipose tissue mostly found within the subcutaneous areas of the body such as the upper back, neck, and shoulder, and rarely encountered in the thoracic cavity. Thoracic lipomas are usually located in the bronchial, pulmonary, or mediastinal areas. The finding of a lipoma in the parietal pleura intrathoracic has been sporadically reported in the literature [1]. Most patients remain asymptomatic and the lipomas are incidentally found in a chest radiograph or a computed tomography (CT) examination. We present a case of pleural lipomas treated with surgery and the one-year follow-up revealed no changes. Conclusion: The majority of patients with pleural lipoma are asymptomatic, and their lesions are incidentally detected on radiograms Important considerations of identifying alarm features in a suspected liposarcoma and when to consider invasive biopsy and/or surgical intervention.

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MENESES, Raphael Oliveira de, Sócrates Steffano Silva TAVARES, Tony Santos PEIXOTO, Maria do Socorro ARAGÃO, and Gustavo Pina GODOY. "Unusual facial lipoma." RGO - Revista Gaúcha de Odontologia 62, no. 4 (December 2014): 425–30. http://dx.doi.org/10.1590/1981-8637201400040000111798.

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Lipoma is a benign mesenchymal neoplasm of soft tissue composed of mature adipocyte cells, being among the most common benign tumors. However, it has been reported that they are uncommon in the oral cavity, representing between 15% and 20% of cases involving the head and neck, and between 1% and 5% of all benign neoplasms of the oral cavity. As for their clinical features, lipomas present as slow-growing and asymptomatic, with an associated yellowish submucosal growth, and may not be well circumscribed. Lipomas are known to grow to around 0.5 to 2 cm, but can have very large maximum diameters. Surgical excision is the treatment of choice, recurrence being rare. The reported case is of a 74 year old, female patient, exhibiting a large lipoma in the right genial-masseteric region, which is unusual with the clinic presentation of lipomas occurring on the face. The patient was subjected to the complete removal of the lesion, was monitored for 6 months and presented no signs of recurrence.

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Singh, Sandesh Bharat, Harsha Vardhan, Neelam Chauhan, and Arun Kumar Singh. "An unusual case of giant multilobulated lipoma over left truncal region." International Surgery Journal 7, no. 8 (July 23, 2020): 2741. http://dx.doi.org/10.18203/2349-2902.isj20203267.

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Lipomas can virtually occur anywhere in the human body. They can be of varying sizes. Small lipomas are more frequently found, whereas giant lipomas are comparatively rare. These slow-growing, nearly always benign, tumors usually present as non painful, round, mobile masses with a characteristic soft, doughy feel. They are one of the most common benign tumours found in the body. Difference through histopathology and immunochemistry has to be done to rule out other conditions such as liposarcoma. In this report we present a case of a female with a large swelling with multilobulations over the anterolateral aspect of the left thigh and gluteal region. Incision biopsy revealed a lipoma for which primary excision was done safeguarding vital structures. The lipoma was unusual in its size, its appearance and site of occurrence. Histopathology and immunochemistry revealed it to be a lipoma.

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Song, Lin, and Xuejie Li. "A Case of Transmural Lipoma of the Right Atrium." Cardiology and Cardiovascular Research 8, no. 2 (June 14, 2024): 78–82. http://dx.doi.org/10.11648/j.ccr.20240802.15.

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Primary cardiac tumors are a relatively rare disease. About 75% of primary cardiac tumors are benign. The most common histological type is myxoma, followed by cardiac fibroma, lipoma, etc. We report a case of a 53-year-old female patient admitted to the hospital due to "repeated palpitations and tightness of breath for 5 years, worsened for 2 days." Preoperative transthoracic echocardiography revealed a hypoechoic mass approximately 3.1 cm x 3.0 cm in size within the right atrium, suggesting an intracardiac mass: nature? Chest computed tomography (CT) indicated a fat-density nodule within the right atrium, with a larger cross-sectional size of about 3.0 cm x 2.5 cm, suggesting a lipoma. The patient underwent excision of the right atrial mass under cardiopulmonary bypass. Intraoperative transesophageal echocardiography (TEE) revealed a mass within the right atrium, closely connected to the atrial wall, with no signs of tricuspid valve obstruction. Exploration during surgery revealed a yellow, smooth-surfaced mass approximately 3.0 cm x 3.0 cm in size, penetrating the right atrial wall, from which the mass and an additional 2mm margin of the right atrial wall were completely excised. A suitable-sized bovine pericardial patch was used to repair the defect in the right atrial wall. Postoperative TEE showed the disappearance of the right atrial mass. The postoperative pathological result indicated a lipoma. Cardiac lipoma is a rare benign primary cardiac tumor. The common sites of occurrence of this tumor are the right atrium, left ventricle, and pericardium. Based on their location, cardiac lipomas can be divided into three types: subepicardial, intramyocardial, and subendocardial lipomas, with subendocardial lipomas being the most common, accounting for over 50% of primary cardiac lipomas. Clinical symptoms largely depend on the size and growth location of the tumor, and it is generally believed that most cardiac lipomas are asymptomatic. Symptomatic lipomas can be treated with curative surgical excision. Transmural lipomas of the right atrium are relatively rare, and such lipomas may affect adjacent structures both inside and outside the atrial wall. Although the lipoma in this case did not significantly affect valve function or blood flow, the patient experienced repeated symptoms of palpitations and tightness of breath. Despite being a benign tumor, the lipoma in this case exhibited transmural growth within the right atrium, showing a certain degree of invasiveness, making surgical excision an effective treatment method.

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Vandeweyer, E., J. Van Geertruyden, and S. de Fontaine. "Lipoma of the Toe." Foot & Ankle International 19, no. 4 (April 1998): 246–47. http://dx.doi.org/10.1177/107110079801900411.

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Lipoma is a common benign soft tissue tumor. It may arise in any location, but most frequently it is located on the trunk, chest, upper thigh, upper arm, and shoulder. Reports of a lipoma in the foot exist, but the occurrence of the tumor in this location is very rare. Lipomas of the toe have only been reported in children, some imitating or having associated gigantism. We present a benign lipoma occurring on the plantar aspect of the second toe in an adult.

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Vagholkar, Ketan, Isha Bhatnagar, and Suvarna Vagholkar. "Giant lipoma over the back." International Surgery Journal 9, no. 3 (February 28, 2022): 687. http://dx.doi.org/10.18203/2349-2902.isj20220646.

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Lipoma is one of the most common soft tissue tumor arising from the mesenchyme. It is slow growing, encapsulated, and usually benign in nature. Tumors over the back, shoulder, and neck region have a high propensity to assume large size thereby getting redefined as a giant lipoma when they exceed 10 cm in width or weigh more than 1000 grams. MRI is the investigation of choice for evaluating giant lipomas. Fine needle aspiration cytology (FNAC) or frozen section may be pertinent in suspected cases of liposarcoma. Complete surgical incision is the treatment of choice. A case of a giant lipoma on the back of a 64-year-old lady is presented with a view to revisit conceptual understanding of the clinical evaluation, investigation, and management of giant lipomas.

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Inoue, Takuro, Hisao Hirai, Ayako Shima, Fumio Suzuki, Masayuki Matsuda, and Takanori Fukushima. "Intradural Lipoma at the Craniocervical Junction Presenting with Progressing Hemiparesis: A Case Report." Case Reports in Neurology 11, no. 2 (May 23, 2019): 183–88. http://dx.doi.org/10.1159/000500565.

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Intradural spinal lipomas are rare in an adult population. They are mostly asymptomatic and usually associated with spinal dysraphism in a pediatric population. We report a rare case of spinal lipoma without dysraphism and with progressing hemiparesis. A 60-year-old woman had incidental lipoma at the craniocervical junction observed for more than 5 years. Recently, she developed right-sided hemiparesis and sensory disturbance. Radiological studies revealed a large lipoma compressing the dorsal medulla and C1–C2 spinal cord. Standard midline suboccipital craniotomy and C1 laminectomy were performed, and the lipoma was removed subtotally. The lipoma showed severe adhesion to the dorsal medulla and C1 spinal cord; therefore, the excision was limited as internal debulking. Her neurological deficit subsided within 6 months after the decompressive surgery. Considering the benign nature of lipoma, internal decompression is a reasonable management for this lesion.

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Fagan, J. J., G. M. Learmonth, M. Garb, and R. M. Bowen. "Nasopharyngeal lipoma – a rare clinico-pathological entity." Journal of Laryngology & Otology 110, no. 3 (March 1996): 275–76. http://dx.doi.org/10.1017/s0022215100133407.

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AbstractA lipoma situated within the posterior wall of the nasopharynx is reported. Only three lipomas of the nasopharynx in adults have previously been reported. The value of CT scan and cytology in making the preoperative diagnosis of a lipoma at this location is discussed.

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Atay, Evren Fehmi, Melih Güven, Murat Çakar, Cumhur Ibrahim Başsorgun, Budak Akman, and Cemal Bes. "An Unusual Cause of a Cystic Lesion with an Osteochondral Defect in the Talus." Journal of the American Podiatric Medical Association 101, no. 3 (May 1, 2011): 269–74. http://dx.doi.org/10.7547/1010269.

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An intraosseous lipoma is a rare benign bone lesion that proliferates from mature lipocytes. It occurs most frequently in the lower limb, particularly in the calcaneus. The talus is an unusual location for this rare lesion. A review of the literature produced only two reports with talar intraosseous lipomas under the name of intraosseous lipomatosis, which described multiple lipomas in different areas. We describe a 38-year-old male patient who had an isolated intraosseous lipoma with an osteochondral defect in the talus and was treated with autologous osteochondral graft transplantation by medial malleolar osteotomy. He could walk with full weightbearing without any assistance at the end of 12 months. Intraosseous lipoma localized in the talus may be confused radiologically with other bone lesions, especially with unicameral bone cyst, if it is associated with an osteochondral defect. Autologous osteochondral graft transplantation is a successful treatment method for talar intraosseous lipoma. (J Am Podiatr Med Assoc 101(3): 269–274, 2011)

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de la Vega, Miranda, Mitch Robbins, Mark Howes, and Miranda Vieson. "Liver Lipoma in a Dog: Case Report and Literature Review." Journal of the American Animal Hospital Association 59, no. 4 (July 1, 2023): 188–92. http://dx.doi.org/10.5326/jaaha-ms-7330.

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ABSTRACT Lipoma of the liver has not been reported in dogs. An 8 yr old spayed female Great Dane was referred for diagnostic workup of abdominal distention. Computed tomography showed fat-attenuating masses with negative attenuation values (variable between −60 to −40 Hounsfield units) and minimal contrast uptake within the left cranial abdomen. Left lateral and right medial liver lobectomies were performed to remove two liver masses. Histopathology showed large lipomas arising from within the hepatic parenchyma. Immunohistochemistry for smooth muscle actin was negative, consistent with true lipomas. The dog was euthanized 8 mo later because of causes likely unrelated to the liver lipoma. This is the first case report of lipoma in the liver of a dog. The purpose of this case report and brief literature review is to provide evidence that surgical excision of fat-attenuating masses within the liver that are consistent with lipoma using immunohistochemistry can be curative.

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Journal articles on the topic 'Lipoma'

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