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1

Humphrey, Peter A. "Deceptively Benign Appearing Urothelial Carcinoma." Journal of Urology 192, no. 6 (2014): 1817–18. http://dx.doi.org/10.1016/j.juro.2014.09.024.

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Hanson, Judith N., Enrico Ascher, Patrick DePippo, et al. "Saphenous vein thrombophlebitis (SVT): A deceptively benign disease." Journal of Vascular Surgery 27, no. 4 (1998): 677–80. http://dx.doi.org/10.1016/s0741-5214(98)70233-2.

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Antic, Tatjana, Umesh Kapur, Wickii T. Vigneswaran, and Kiyoko Oshima. "Inflammatory Sarcomatoid Carcinoma: A Case Report and Discussion of a Malignant Tumor With Benign Appearance." Archives of Pathology & Laboratory Medicine 129, no. 10 (2005): 1334–37. http://dx.doi.org/10.5858/2005-129-1334-iscacr.

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Abstract Inflammatory sarcomatoid carcinoma is an aggressive tumor with an unusually benign appearance. We report the case of a 65-year-old man with a history of inoperable poorly differentiated carcinoma of the right lung, for which he had received chemoradiotherapy. A new solitary mass was discovered 4 years later in the left lung on surveillance computed tomography. The patient underwent thoracotomy with a wedge biopsy on which frozen section was performed. The nodule was vaguely granulomatous and associated with a mixed inflammatory infiltrate and a deceptively bland spindle cell prolifera
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Ramzi, Meryam, Nada Assara, Zakarya Alami Hassani, Zouhir Alami Fellouss, and Tariq Madhi. "Giant Lipoma of Hand in a Child: Case Report and Literature Review." SAS Journal of Surgery 8, no. 1 (2022): 18–19. http://dx.doi.org/10.36347/sasjs.2022.v08i01.005.

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Although lipomas are the most common benign form of soft tissue tumors that are >5 cm in diameter. They are extremely rare in the hand localization. They are slowly progressive and usually do not cause numbness or weakness of the hand. They can be deceptively large and extensive leading to misdiagnosis. We present here one such case in which symptomatic swelling over sole of right hand was excised and confirmed as a benign lipoma.
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Talbert, Michael L., and Robert H. Young. "Carcinomas of the Urinary Bladder with Deceptively Benign-Appearing Foci." American Journal of Surgical Pathology 13, no. 5 (1989): 374–81. http://dx.doi.org/10.1097/00000478-198905000-00004.

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D., Ravi, Hanumanth Prasad M., Madhuri M. Gudikote, Balaji N. K., and Sowmya T. R. "Classical presentation of Ackerman’s tumour of tongue: a case report." International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 2 (2018): 597. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20180735.

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<p>Ackerman’s tumour also called verrucous carcinoma (VC) is a controversial manifestation of well differentiated squamous cell carcinoma (SCC). It manifests as proliferative cauliflower like growth which is characteristic. Histologically it has a deceptively benign microscopic appearance. Hence it requires expertize for diagnosis. Although VC is illustrated as a benign lesion with minimum aggressive potential, over a period of time it can evolve into SCC. We report here a case of verrucous carcinoma of tongue in a young male with a history of tobacco chewing. </p>
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7

Bajaj, Anubha. "The Minimalistic Malignancy- Low grade Fibromyxoid Sarcoma." Journal of Clinical and Diagnostic Pathology 1, no. 3 (2020): 7–14. http://dx.doi.org/10.14302/issn.2689-5773.jcdp-20-3577.

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Low grade fibromyxoid sarcoma (LGFMS) is an exceptional, low grade, soft tissue sarcoma with indolent biological behaviour, extensive preclinical stage, enhanced localized tumour reoccurrence and delayed, distant metastasis. As the deceptively benign neoplasm was initially scripted by Evans in 1987, the tumefaction is nomenclated as “Evan’s tumour”. Incidence of sarcomas is nearly 1% of adult malignancies wherein low-grade fibromyxoid sarcoma represents roughly beneath <5% of soft tissue sarcomas 1.
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Bajaj, Anubha. "The Minimalistic Malignancy- Low grade Fibromyxoid Sarcoma." Journal of Clinical and Diagnostic Pathology 1, no. 3 (2020): 7–14. http://dx.doi.org/10.14302/issn.2689-5773.jcdp-20-3577.

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Low grade fibromyxoid sarcoma (LGFMS) is an exceptional, low grade, soft tissue sarcoma with indolent biological behaviour, extensive preclinical stage, enhanced localized tumour reoccurrence and delayed, distant metastasis. As the deceptively benign neoplasm was initially scripted by Evans in 1987, the tumefaction is nomenclated as “Evan’s tumour”. Incidence of sarcomas is nearly 1% of adult malignancies wherein low-grade fibromyxoid sarcoma represents roughly beneath <5% of soft tissue sarcomas 1.
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Dhall, Deepti, Hikmat Al-Ahmadie, and Semra Olgac. "Nested Variant of Urothelial Carcinoma." Archives of Pathology & Laboratory Medicine 131, no. 11 (2007): 1725–27. http://dx.doi.org/10.5858/2007-131-1725-nvouc.

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Abstract Nested variant of urothelial carcinoma is a rare neoplasm that is histologically characterized by large numbers of small, closely packed, haphazardly arranged, poorly defined, confluent irregular nests of bland-appearing urothelial cells infiltrating the lamina propria and the muscularis propria. Due to the cells' deceptively bland appearance, the tumors are sometimes misdiagnosed as benign lesions, leading in some cases to a significant delay in establishing the correct diagnosis and thus contributing to this neoplasm's advanced stage. Nested variant of urothelial carcinoma must be d
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10

Yang, Chen, and Peter A. Humphrey. "False-Negative Histopathologic Diagnosis of Prostatic Adenocarcinoma." Archives of Pathology & Laboratory Medicine 144, no. 3 (2019): 326–34. http://dx.doi.org/10.5858/arpa.2019-0456-ra.

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Context.— Histopathologic diagnosis of adenocarcinoma of the prostate is based on light-microscopic examination of hematoxylin-eosin–stained tissue sections. Multiple factors, including preanalytic and analytic elements, affect the ability of the pathologist to accurately diagnose prostatic adenocarcinoma. False-negative diagnosis, that is, failure to diagnose prostatic adenocarcinoma, may have serious clinical consequences. It is important to delineate and understand those factors that may affect and cause histopathologic false-negative diagnoses of prostatic adenocarcinoma. Objectives.— To r
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11

Odem, Jamie L., Gabor Oroszi, Kristen Bernreuter, et al. "Deceptively benign low-grade fibromyxoid sarcoma: array-comparative genomic hybridization decodes the diagnosis." Human Pathology 44, no. 1 (2013): 145–50. http://dx.doi.org/10.1016/j.humpath.2012.07.021.

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Theodorou, Daphne J., Stavroula J. Theodorou, and Yousuke Kakitsubata. "Fibrosarcoma with deceptive benign presentations: a report of two cases." Folia Medica 65, no. 4 (2023): 686–92. http://dx.doi.org/10.3897/folmed.65.e91065.

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Low-grade fibromyxoid sarcoma and myxofibrosarcoma are malignant soft tissue tumors, fibrosarcomas, of shared clinical and imaging appearances. We report sarcomatous lesions in soft tissue with deceptively benign clinical and imaging appearances, and correlate findings with those of histologic analysis. Two patients presented with a long history of painless swelling at the dorsum and upper extremity and denied any constitutional symptoms. Sonography and magnetic resonance imaging suggested the presence of benign soft tissue lesions of a predominant fluid-like consistency. Despite indolent clin
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13

Coldwell, D. M., R. L. Baron, and C. Charnsangavej. "Angiosarcoma." Acta Radiologica 30, no. 6 (1989): 627–31. http://dx.doi.org/10.1177/028418518903000611.

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The findings at radiography, computed tomography and angiography and the clinical course of 30 cases of angiosarcoma were reviewed. The variety of primary sites results in a multitude of findings but the most common finding was that of a hypervascular soft tissue mass seen on CT and angiography. Additional findings of well demarcated cortical defects in long bones were also frequently noted. The general clinical behavior of these aggressive malignant tumors was also reviewed and it was noted that they had a deceptively benign presentation.
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Tommaso, Luca Di, and Juan Rosai. "The Capillary Lobule: A Deceptively Benign Feature of Post-Radiation Angiosarcoma of the Skin." American Journal of Dermatopathology 27, no. 4 (2005): 301–5. http://dx.doi.org/10.1097/01.dad.0000163572.18673.8d.

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Menon, Seema, Michael Krivanek, and Ralph Cohen. "Low-grade fibromyxoid sarcoma, a deceptively benign tumor in a 5-year-old child." Pediatric Surgery International 28, no. 2 (2011): 211–13. http://dx.doi.org/10.1007/s00383-011-3024-z.

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16

Evans, Harry L. "Low-Grade Fibromyxoid Sarcoma: A Report of Two Metastasizing Neoplasms Having a Deceptively Benign Appearance." American Journal of Clinical Pathology 88, no. 5 (1987): 615–19. http://dx.doi.org/10.1093/ajcp/88.5.615.

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17

Chetverikova, Evgenia, and Priit Kasenõmm. "Low-Grade Fibromyxoid Sarcoma of the Lateral Skull Base: Presentation of Two Cases." Case Reports in Otolaryngology 2019 (July 8, 2019): 1–6. http://dx.doi.org/10.1155/2019/7917040.

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Low-grade fibromyxoid sarcoma (LGFMS) is a rare slow-growing malignant tumour with a deceptively benign histologic appearance. Herein, we report two cases of LGFMS with variable clinical presentations. The first case was a 17-year-old female who referred to our department due to deaf ear on the right together with ipsilateral gag reflex impairment and globus sensation in the pharynx. The second case was a 35-year-old female with recurrent LGFMS, suffering from headaches, vertigo, and episodes of loss of consciousness. LGFMS of the temporal bone is a rare pathology, and to the best of our knowl
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18

Igic, Branislav, Jessica McLachlan, Inkeri Lehtinen, and Robert D. Magrath. "Crying wolf to a predator: deceptive vocal mimicry by a bird protecting young." Proceedings of the Royal Society B: Biological Sciences 282, no. 1809 (2015): 20150798. http://dx.doi.org/10.1098/rspb.2015.0798.

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Animals often mimic dangerous or toxic species to deter predators; however, mimicry of such species may not always be possible and mimicry of benign species seems unlikely to confer anti-predator benefits. We reveal a system in which a bird mimics the alarm calls of harmless species to fool a predator 40 times its size and protect its offspring against attack. Our experiments revealed that brown thornbills ( Acanthiza pusilla ) mimic a chorus of other species' aerial alarm calls, a cue of an Accipiter hawk in flight, when predators attack their nest. The absence of any flying predators in this
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19

Tchernev, Georgi, Ivan Pidakev, Anastasiya Atanasova Chokoeva, et al. "Advanced Pretibial Melanoma (APM): Clinicians Behaviour As Triggering Factor?" Open Access Macedonian Journal of Medical Sciences 6, no. 1 (2017): 64–66. http://dx.doi.org/10.3889/oamjms.2018.003.

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BACKGROUND: Pigmented lesions represent a broad spectrum of clinical conditions, both benign and malignant. The precise diagnosis is often a challenge, while the clinical diagnostic criteria could be misleading, as a result of the frequently atypical presentation of otherwise completely benign in nature lesions. The variety of therapeutic options for benign pigmented lesions including shave curettage, local laser destruction, electrocoagulation removal could sound enticingly both for the physician and patient, but they destroy the possibility for histological examination and provide a deceptiv
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20

Vernon, Stephen E., and Pablo A. Bejarano. "Low-Grade Fibromyxoid Sarcoma: A Brief Review." Archives of Pathology & Laboratory Medicine 130, no. 9 (2006): 1358–60. http://dx.doi.org/10.5858/2006-130-1358-lfsabr.

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Abstract Low-grade fibromyxoid sarcomas are uncommon deep soft tissue neoplasms first described by Evans in 1987. They exhibit a deceptively benign appearance, with a whorled or linear arrangement of spindle-shaped cells showing few to absent mitoses. A characteristic, but not specific, feature is the presence of areas of myxoid stroma. Recurrences are common, and late metastases have been recorded. A closely related but morphologically distinct tumor, the so-called hyalinizing spindle cell tumor with giant rosettes, has also been described; both neoplasms share the same cytogenetic abnormalit
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21

Kuriloff, Daniel B., and Robert L. Pincus. "Delayed Airway Obstruction and Neck Abscess following Manual Strangulation Injury." Annals of Otology, Rhinology & Laryngology 98, no. 10 (1989): 824–27. http://dx.doi.org/10.1177/000348948909801014.

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Few reports describing manual strangulation injury to the neck are found in the otolaryngologic literature. Since most victims sustain immediate fatal asphyxiation, brain anoxia, or cardiac arrest, they are usually examined by a forensic pathologist. When strangulation attempts are nonfatal, neck injuries can lead to delayed airway obstruction. If not managed in a timely fashion, these injuries can be fatal or cause permanent laryngotracheal sequelae. We describe a patient who 36 hours following manual strangulation developed acute upper airway obstruction and neck abscess necessitating trache
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22

Sumit, Raj, Prasad Roshani, Upadhyay Rupum, Ali Sanjeeda, and Upadhyay Chandramauli. "Benign Prostatic Hyperplasia Current Medical Treatment –A Review." International Journal of Pharmaceutical and Clinical Research 14, no. 3 (2022): 585–95. https://doi.org/10.5281/zenodo.13851166.

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Benign Prostatic Hyperplasia (BPH) is a “histologic diagnosis that refers to the proliferation of smooth muscle and epithelial cells within the prostatic transition zone.” Men are likely to develop BPH as the age advances. Half of men ages 51 – 60 years old and 80 percent of men over 80 years old have BPH according to autopsy data. About half of men with BPH develop an enlarged prostate gland, called benign prostatic enlargement (BPE), and among these, about half develop bladder outlet obstruction (BOO). BOO and/or changes in smooth muscle tone and resistance that can accompa
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23

Jaso, Jesse, and Reenu Malhotra. "Adenoid Cystic Carcinoma." Archives of Pathology & Laboratory Medicine 135, no. 4 (2011): 511–15. http://dx.doi.org/10.5858/2009-0527-rs.1.

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Abstract Adenoid cystic carcinoma is a malignant tumor with a deceptively benign histologic appearance characterized by indolent, locally invasive growth with high propensity for local recurrence and distant metastasis. The tumor is composed of basaloid cells with small, angulated, and hyperchromatic nuclei and scant cytoplasm arranged into 3 prognostically significant patterns: cribriform, tubular, and solid. Some tumors undergo dedifferentiation into a high-grade form. Numerous studies have attempted to elucidate accurate histologic prognostic features but have often yielded conflicting resu
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Saito, Ryuta, Toshihiro Kumabe, Mika Watanabe, et al. "Low-grade fibromyxoid sarcoma of intracranial origin." Journal of Neurosurgery 108, no. 4 (2008): 798–802. http://dx.doi.org/10.3171/jns/2008/108/4/0798.

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✓The authors report on a 21-year-old man who presented with a low-grade fibromyxoid sarcoma primarily located in the right parietal lobe with diffuse infiltration. The low-grade fibromyxoid sarcoma is a rare sarcoma of the deep soft tissue that is characterized as an indolent but metastasizing soft-tissue neoplasm with a deceptively benign histological appearance. Only one case of intracranial origin has been previously reported in the literature. A high rate of local recurrence and eventual metastasis has been demonstrated for this tumor in deep soft tissue. Similarly, the patient in the pres
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Anees, Afzal, Kaushal D. Singh, and Shehtaj Khan. "Low grade fibromyxoid sarcoma of the perineum: a surgical challenge." International Surgery Journal 4, no. 1 (2016): 429. http://dx.doi.org/10.18203/2349-2902.isj20164486.

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Low-grade fibromyxoid sarcoma is a rare, slow growing and deceptively benign-appearing neoplasm. It is presently diagnosed on the basis of histopathology (typical fibro-myxoid appearance), immunohistochemistry (vimentin staining) and cytogenetics [chimeric FUS/CREB3L2 gene produced by t (7;16), (q33;p11)]. This tumour should be differentiated from other resembling tumours like myxofibrosarcoma, sclerosing epitheloid fibrosarcoma, desmoid fibromatosis and others. It has the potential for local recurrence and late metastasis, if not treated adequately. Although surgical excision is the only hope
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Devins, Kyle M., Zubair Baloch, and Virginia LiVolsi. "Unusual Human Papillomavirus–Related Neoplasms of the Head and Neck: A Case Series and Review of Literature." AJSP: Reviews and Reports 25, no. 1 (2020): 3–7. http://dx.doi.org/10.1097/pcr.0000000000000353.

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Abstract Oropharyngeal squamous cell carcinoma accounts for the majority of human papillomavirus (HPV)–related neoplasms in the head and neck. However, recent studies have identified high-risk HPV in other, clinicopathologically distinct tumors in this region. We report a series of cases involving two unique HPV-mediated neoplasms. Human papillomavirus–related multiphenotypic sinonasal carcinoma is a locally aggressive tumor arising exclusively in the sinonasal tract with pathologic features reminiscent of high-grade adenoid cystic carcinoma. Ciliated adenosquamous carcinoma often presents as
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Leroy, Xavier, Emmanuelle Leteurtre, Alexandre De La Taille, David Augusto, Jacques Biserte, and Bernard Gosselin. "Microcystic Transitional Cell Carcinoma." Archives of Pathology & Laboratory Medicine 126, no. 7 (2002): 859–61. http://dx.doi.org/10.5858/2002-126-0859-mtcc.

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Abstract Microcystic transitional cell carcinoma is a rare variant of urothelial carcinoma; to date, it has been described only in the urinary bladder. We report 2 cases of microcystic transitional cell carcinoma arising in the renal pelvis. The first case occurred in a 73-year-old man with a history of superficially invasive transitional cell carcinoma who presented with macroscopic hematuria and anemia. The second case occurred in a 62-year-old woman who had no relevant medical history and presented with hematuria. Computed tomographic scan revealed a tumor of the renal pelvis. In both cases
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Petersson, Fredrik, and Euan Murugasu. "Dedifferentiated Liposarcoma of the Deep (Paralaryngeal) Soft Tissue: Lessons Learnt from a Case with a Partly Deceptively Benign Appearing Dedifferentiated Component." Head and Neck Pathology 8, no. 2 (2013): 171–77. http://dx.doi.org/10.1007/s12105-013-0472-x.

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Yusuf, Samreen, Anil Kumar Goel, and T. P. Murugan. "Delayed Presentation of Air-Leak Features Following Low-impact Blunt Neck Trauma in a Child." Indian Pediatrics Case Reports 5, no. 2 (2025): 88–91. https://doi.org/10.4103/ipcares.ipcares_190_24.

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Abstract Background: Tracheobronchial injury is a potentially fatal condition that can occur following a blunt or penetrating trauma. Due to anatomical characteristics in children, such injuries are rarely seen in this age group. Clinical Description: An 8-year-old boy presented with increasing breathing difficulty and chest pain, 32 hours after sustaining a low-impact blunt-neck trauma by the handle-bar of the bicycle. On examination, he was neurologically and hemodynamically stable with increased work of breathing. There was subcutaneous emphysema extending from the anterior neck to below th
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30

Palmer, Susan. "Renegade Researchers, Radical Religions, Recalcitrant Ethics Boards." Fieldwork in Religion 12, no. 2 (2018): 239–58. http://dx.doi.org/10.1558/firn.35670.

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Since the rise of the new “ethics culture” in the USA and Canada, there has been a noticeable decline in field research on new, controversial religions and social movements. This study examines some of the new administrative obstacles to research, as experienced by twelve researchers in the course of negotiations with their ethics boards (“REBs” in Canada, “IRBs” in the U.S.) for ethics approval regarding projects involving “human subjects”. The twelve informants’ critiques of their ethics committees, conveyed in interviews, fall into eight categories: (1) unnecessary delays; (2) poor communic
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Amin, Moustapha, M. A. Lakmichi, A. Aganou, et al. "Foamy Gland Adenocarcinoma with High-Grade Prostatic Intraepithelial Neoplasia (HGPIN) Lesion on TRUS Core Needle Biopsy: A Rare Pathological Variant." EAS Journal of Medicine and Surgery 5, no. 08 (2023): 138–40. http://dx.doi.org/10.36349/easjms.2023.v05i08.003.

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Foamy gland carcinoma is a variant of prostatic acinar adenocarcinoma characterized by abundant, foamy cytoplasm, frequently showing small, pyknotic nuclei. Foamy gland carcinoma may be deceptively benign appearing and missed on needle biopsy. Most foamy gland carcinomas are Gleason score 6 or 7, although Gleason score 8-10 carcinomas have been reported. Its occurrence is extremely rare. Prognosis depends on the Gleason score and the presence or absence of perineural or extra prostatic extension. Treatment modalities of foamy gland adenocarcinoma are a similar to that of usual acinar adenocarc
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Kakoty, Sneha, Dhaval Jetly, Paheli Maru, Anurag Saha, and Varnika Rai. "Pure Foamy Gland Carcinoma of Prostate - A Series of Rare Cases." Journal of Medical Sciences and Health 9, no. 2 (2023): 229–32. http://dx.doi.org/10.46347/jmsh.v9i2.23.36.

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Foamy gland carcinoma (FGC) is a distinct histological variant of prostatic acinar adenocarcinomas. It was first described by Epstein and Nelson in 1996. It is characterized by abundant xanthomatous cytoplasm, pyknotic nuclei, and intermediate Gleason grade. However, FGC with a high Gleason grade exists. FGC is found admixed with conventional acinar adenocarcinoma in 17 to 22% of needle biopsies and 13 to 22% of radical prostatectomy specimens and only rarely found in pure form. We report six cases of pure foamy gland carcinoma of prostate. The mean age in our study was 62.83 years and 5 out o
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Goyal, Binita, Suman Rai, Mamata Sedhain, and Pratigya Subedi. "Pigmented Lesions of Skin: A Histopathologic Experience at a Tertiary Care Center in Central Nepal." Journal of College of Medical Sciences-Nepal 17, no. 1 (2021): 1–9. http://dx.doi.org/10.3126/jcmsn.v17i1.28276.

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Introduction
 Pigmented skin lesions refer to lesions that are brown, black or blue in color. These are not always melanocytic in origin. Keratinocytic, vascular or reactive pigmentation in other lesions can also appear pigmented. The main aim of the study was to see the histopathological spectrum and objective was to compare clinical and histopathological diagnoses in pigmented skin lesions.
 Methods
 This descriptive study was carried out on 43 pigmented skin lesions that were biopsied over a 1 and half year period from Jan 2018 to June 2019 in College of Medical Sciences and
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Sharma, Mukta, Rajneesh Thakur, and Shalini. "Appearances can be Deceptive." Delhi Journal of Ophthalmology 32, no. 6 (2022): 43–45. https://doi.org/10.4103/dljo.dljo_77_23.

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Soft tissue tumors (STT) are a heterogeneous group of benign and malignant lesions. Some are assumed reactive, and others are clearly neoplastic. They can occur in skin, subcutaneous tissue, muscles, ligaments, nerves and blood vessels. These tumors vary widely in how they look and behave. More than 99% of STT are benign in nature. Here we report a case which we presumed to be lipoma but it turned out to be cavernous hemangioma.
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Wong, Chi Wing, Seif El-Jack, Colin Edwards, and Hitesh Patel. "Primary Cardiac Angiosarcoma: Morphologically Deceptive Benign Appearance and Potential Pitfalls in Diagnosis." Heart, Lung and Circulation 19, no. 8 (2010): 473–75. http://dx.doi.org/10.1016/j.hlc.2010.02.027.

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Foschini, Maria P., and Vincenzo Eusebi. "Microglandular adenosis of the breast: a deceptive and still mysterious benign lesion." Human Pathology 82 (December 2018): 1–9. http://dx.doi.org/10.1016/j.humpath.2018.06.025.

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Pendharkar, Chinmay, Sushma Malik, Vikram Singh, Vipin Venugopal Nair, and Venkatesan Somasundaram. "Angiosarcoma of the scalp – A histopathological surprise in a benign looking scalp lesion." Journal of Laboratory Physicians 17 (April 8, 2025): 138–41. https://doi.org/10.25259/jlp_89_2024.

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Angiosarcoma is an uncommon malignant tumor that primarily affects older people and affects vascular endothelial cells. This tumor is quite deceptive and could be mistaken for a benign lesion based on its presentation and progression. We describe the case of a 50-year-old male who had post-traumatic left occipital edema that appeared benign on radiography and clinical examination. The index of suspicion increased due to the sudden increase in size. The excised specimen’s histomorphology revealed a cellular tumor that was mitotically active with large areas of necrosis. Vimentin, CD34, CD31, an
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Maha, Esmeal Ahmed Esmeal, and Abdelgauom Fathelrahman Samia. "Study of thyroid lesions for Sudanese patients." World Journal of Advanced Research and Reviews 17, no. 3 (2023): 250–55. https://doi.org/10.5281/zenodo.8127775.

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This was a deceptive cross sectional study aimed to differentiate between benign and malignant tumor using ultrasonography, done in Khartoum area hospital during the period from January 2022 to January 2023. 200 patients with thyroid nodules (20%) 40 males and 160 (80%) females. The study found that most patients had well define margin nodules were 145 (73%) and ill define margin nodules were 54 (27%), most patients had taller-than-wider capsule were 192 (96%) and wider-than-taller capsule were 8(4%), most patients had internal vascularity were 150 (75%) and peripheral were 50 (25%), most pati
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DiCaudo, David J., Timothy H. McCalmont, and Mark R. Wick. "Selected Diagnostic Problems in Neoplastic Dermatopathology." Archives of Pathology & Laboratory Medicine 131, no. 3 (2007): 434–39. http://dx.doi.org/10.5858/2007-131-434-sdpind.

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Abstract Context.—Selected cutaneous neoplasms share features with benign counterparts or have subtle morphologic features that could be overlooked by the pathologist. Objective.—To present clues to the diagnosis of potentially deceptive malignancies, including desmoplastic malignant melanoma, nevoid malignant melanoma, subcutaneous lymphoma, metastatic breast carcinoma, and epithelioid sarcoma. Data Sources.—Published literature and personal experience. Conclusions.—Knowledge of commonly misdiagnosed cutaneous neoplasms will help the general surgical pathologist avoid these potential pitfalls
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Xu, Chuanliang, Shuxiong Zeng, Zhensheng Zhang, et al. "Deceptive Muscle Invasive Bladder Cancer Recurrence With Benign Biopsy Foci After Bladder Sparing Treatment." Medicine 94, no. 22 (2015): e898. http://dx.doi.org/10.1097/md.0000000000000898.

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BENYAHIA, Radia, Chahira MAZOUZI, Kamel HAIL, Nabil BELLIK, and Nazim LARABA. "RARE Malignant Breast Pathologies with Benign Imaging Features : About Three Clinical Cases and Literature Review." International Journal of Medical, Pharmacy and Drug Research 4, no. 1 (2020): 09–14. http://dx.doi.org/10.22161/ijmpd.4.1.3.

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Deceptive cancers mimic benign breast tumors and are primarily represented by the group of round-shaped cancers with well-circumscribed contours. These account for about 10 to 20% of breast cancers. They most often correspond to grade III invasive carcinomas without specific features, particularly triple-negative cancers. Other etiologies of round-shaped carcinomas correspond to specific histological types including colloid (or mucinous) carcinoma, and medullary carcinoma (especially frequent in patients mutated for BRCA1). It is crucial to recognize their presentation in conventional imaging,
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Cornette, J., S. Festen, T. L. van den Hoonaard, and E. A. P. Steegers. "Mesenchymal Hamartoma of the Liver: A Benign Tumor with Deceptive Prognosis in the Perinatal Period." Fetal Diagnosis and Therapy 25, no. 2 (2009): 196–202. http://dx.doi.org/10.1159/000212057.

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Zhou, Mingwei, Xian Mu, and Yanyan Liang. "SOE: A Multi-Objective Traffic Scheduling Engine for DDoS Mitigation with Isolation-Aware Optimization." Mathematics 13, no. 11 (2025): 1853. https://doi.org/10.3390/math13111853.

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Distributed Denial-of-Service (DDoS) attacks generate deceptive, high-volume traffic that bypasses conventional detection mechanisms. When interception fails, effectively allocating mixed benign and malicious traffic under resource constraints becomes a critical challenge. To address this, we propose SchedOpt Engine (SOE), a scheduling framework formulated as a discrete multi-objective optimization problem. The goal is to optimize four conflicting objectives: a benign traffic acceptance rate (BTAR), malicious traffic interception rate (MTIR), server load balancing, and malicious traffic isolat
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Maha Esmeal Ahmed Esmeal and Samia Abdelgauom Fathelrahman. "Study of thyroid lesions for Sudanese patients." World Journal of Advanced Research and Reviews 17, no. 3 (2023): 250–55. http://dx.doi.org/10.30574/wjarr.2023.17.3.0365.

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This was a deceptive cross sectional study aimed to differentiate between benign and malignant tumor using ultrasonography, done in Khartoum area hospital during the period from January 2022 to January 2023. 200 patients with thyroid nodules (20%) 40 males and 160 (80%) females. The study found that most patients had well define margin nodules were 145 (73%) and ill define margin nodules were 54 (27%), most patients had taller-than-wider capsule were 192 (96%) and wider-than-taller capsule were 8(4%), most patients had internal vascularity were 150 (75%) and peripheral were 50 (25%), most pati
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Hoq, Mohammad Injamul, Brinta Bhowmik, and Umme Sayma Roshni. "Appearance can be deceptive: A case report on raised CA 19-9 in a patient with cholecystitis and without evidence of malignancy." Bangladesh Journal of Medical Science 23, no. 3 (2024): 869–72. http://dx.doi.org/10.3329/bjms.v23i3.75122.

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Background Cancer Antigen 19-9 (CA 19-9) is a potent marker in diagnosing carcinoma, but it can be increased in several benign conditions. Method This is a descriptive observational case report on an unusual increase of CA 19-9 in benign condition. In this study, we present a case of cholecystitis whose elevated CA 19-9 level did not reflect any malignancy rather non-malignant condition. Results A 64-year male patient with cholecystitis having significant raised level of CA 19-9 (1396 U/ml). Physician suggested potential cholangiocarcinoma by depending on initial tests, however after several i
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Batool, Rabia, Nor Azalia Abdul Wahab, Sasikala Selvamani, and Grace Hennessy. "Recurrent pyometra coupled with xanthogranulomatous endometritis mimicking pyelonephritis and malignancy: unravelling clinical complexities." BMJ Case Reports 18, no. 5 (2025): e259441. https://doi.org/10.1136/bcr-2023-259441.

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Histiocytic or xanthogranulomatous endometritis (XGE) is an extremely rare benign histopathological entity with only a few cases reported in literature to date. It is characterised by the replacement of endometrial tissue with sheets of foamy histiocytes, giant cells, lymphocytes and plasma cells; calcification and necrosis. It involves chronic inflammation and may be associated with endometrial hyperplasia, endometrial carcinoma and atrophy, causing cervical stenosis and recurrent pyometra, especially in postmenopausal women. We report a case of senile recurrent pyometra masquerading as pyelo
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Dr., Akhilesh. R. "Melanoma Mimicking a Polyp in an Unusual Location- A Rare Case Report." MAR Pathology & Clinical Research 2, no. 3 (2023): 8. https://doi.org/10.5281/zenodo.10029615.

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<i><strong>Abstract</strong></i><i>Anorectal melanomas are rare and have a far worse prognosis as compared to cutaneous melanomas. They can be highly deceptive with their presentation like bleeding and mass descending per rectum, that can often mimick some benign lesions such as hemorrhoids, polyps and also ano-rectal carcinomas unless a histological diagnosis of melanoma is made. Here, we present a case of anorectal melanoma in a 75-year old male who presented with bleeding per rectum for 2 months, following which an abdomino-perineal resection was performed based on a preliminary diagnosis o
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Aydin, Ozgur, Hamit Yasar Ellidag, Esin Eren, Nurullah Ay, Soner Yalçınkaya, and Necat Yilmaz. "Increased Antioxidant Quality Versus Lower Quantity Of High Density Lipoprotein In Benign Prostatic Hyperplasia." Journal of Medical Biochemistry 34, no. 4 (2015): 455–59. http://dx.doi.org/10.2478/jomb-2014-0053.

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SummaryBackground:Oxidative stress may be involved in the pathogenesis of every human disease. To understand its possible role in benign prostatic hyperplasia (BPH), we measured the overall oxidative status of patients with BPH and the serum activity of the high density lipoprotein (HDL)-related antioxidant enzymes paraoxonase 1 (PON1) and arylesterase (ARE).Methods:Fifty-six urology outpatient clinic patients with BPH (mean age 64±8.6 years) were prospectively included in the study. Forty volunteer healthy controls from the laboratory staff (mean age 62±10 years) were enrolled for comparison.
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Matthews, Jeffrey B., Philippe Gertsch, Hans U. Baer, Walter P. Schweizer, and Leslie H. Blumgart. "Biliary Stricture Following Hepatic Resection." HPB Surgery 3, no. 3 (1991): 181–91. http://dx.doi.org/10.1155/1991/81895.

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Anatomic distortion and displacement of hilar structures due to liver lobe atrophy and hypertrophy occasionally complicates the surgical approach for biliary stricture repair. Benign biliary stricture following hepatic resection deserves special consideration in this regard because the inevitable hypertrophy of the residual liver causes marked rotation and displacement of the hepatic hilum that if not anticipated may render exposure for repair difficult and dangerous. Three patients with biliary stricture after hepatectomy illustrate the influence of hepatic regeneration on attempts at subsequ
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Diehl, C. "Stretch marks: a review." Ukrainian Journal of Dermatology, Venerology, Cosmetology, no. 2 (June 29, 2021): 68–78. http://dx.doi.org/10.30978/ujdvk2021-2-68.

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Stretch marks (SM) feature visible linear scars developing on the body in the areas of excessive stretching of the skin. This is a benign skin condition, but because of their aesthetic implications, they can cause distress among their sufferers. SM show high prevalence, probably more than 50 % among pregnant women, and 50 to 90 % in the general population. SM affect more likely certain ethnic groups, especially dark-skinned patients. During pregnancy, risk factors include family history, but also important weight gain whilst more generally elevated body mass index also constitutes a risk facto
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