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Journal articles on the topic 'Metastic Neoplasm'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Prayson, RA. "Metastic Mesothelioma to the Brain: A Potential Differential Diagnosic Challenge." Journal of Neurology, Neurological Science and Disorders 3, no. 1 (2017): 025–27. https://doi.org/10.17352/jnnsd.000016.

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<strong>Background</strong>: Malignant mesothelioma is a rare neoplasm arising from the mesothelial surfaces of the pleural cavity, peritoneal cavity, tunica vaginalis or pericardium that spreads mainly via direct invasion. While distant metastasis is possible, metastasis to the central nervous system (CNS) is rare.                 <strong>The Context and Purpose of the Study</strong>: We describe a 66-year-old male with a past medical history of mesothelioma, diagnosed approximately 1.5 years prior and treated wit

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Zambarda, Taís Teixeira, Mariana De Jesus De Souza, Jéssica Moreira Cannavon, Clarisse Felten, Saulo Petinatti Pavarini, and Álan Gomes Pöppl. "Mixossarcoma esplênico em cão." Acta Scientiae Veterinariae 45 (June 27, 2017): 4. http://dx.doi.org/10.22456/1679-9216.86239.

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Background: Myxosarcomas (MXS) are malignant mesenchymal neoplasms originated from mainly mucin producing fibroblasts than collagen. Despite malignant neoplasms, MXS is believed to have low metastase generation ability. Myxosarcomas reports in dogs are widespread, usually involving trunk and limbs subcutaneous tissue. The aim of this report is to describe clinical, pathological, and immunohistochemistry aspects of a rare case of splenic myxosarcoma in a dog.Case: A 10-year-old, intact male Basset Hound, weiging 25 kg, showing signals such apathy, dark soft-stooled stools, progressive thinning,

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3

Odenweller, Patrick H., Mark M. Smith, and Kendall G. Taney. "Validation of Regional Lymph Node Excisional Biopsy for Staging Oral and Maxillofacial Malignant Neoplasms in 97 Dogs and 10 Cats (2006-2016)." Journal of Veterinary Dentistry 36, no. 2 (2019): 97–103. http://dx.doi.org/10.1177/0898756419869841.

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The objective of this retrospective clinical study was to confirm the validity of excisional biopsy of regional lymphocentrums for staging oral and maxillofacial neoplasms in a population of 97 dogs and 10 cats. Patients diagnosed with oral and maxillofacial malignant neoplasms underwent ipsilateral excisional biopsy of the mandibular, parotid, and medial retropharyngeal lymphocentrums that receive afferent drainage from the oral and maxillofacial region followed by curative intent surgery of the neoplasm. Biopsy specimens and the resected neoplasm were submitted to a commercial pathology labo

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Bhatnagar, Dr Avni, and Dr Pratima Khare. "Primary Mucinous Carcinoma Scalp: A Rare Case Report With Review of Literature." Asian Journal of Basic Science & Research 04, no. 02 (2022): 123–31. http://dx.doi.org/10.38177/ajbsr.2022.4211.

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Primary mucinous adenocarcinoma of scalp is a rare malignant neoplasm with predilection to head and neck area. This tumor mostly occurs in sixth or seventh decade with tendency of local recurrence. The distant metastasis is rarely seen. It is essential to differentiate the primary neoplasms from metastatic neoplasm arising from breast, gastrointestinal tract and other organs because the prognosis and management differs drastically. We present a case report of a 43-year-old female with swelling in scalp diagnosed as primary mucinous carcinoma, without any systemic dissemination. We review the l

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McLaughlin, Susan A., David T. Ramsey, Denise M. Lindley, Brian C. Gilger, Paul A. Gerding, and R. David Whitley. "Intraocular silicone prosthesis implantation in eyes of dogs and a cat with intraocular neoplasia: nine cases (1983-1994)." Journal of the American Veterinary Medical Association 207, no. 11 (1995): 1441–43. http://dx.doi.org/10.2460/javma.1995.207.11.1441.

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Objective— To determine the outcome of implantation of an intraocular silicone prosthesis ( isp) in the eyes of dogs and cats with intraocular neoplasia. Design— Retrospective case series. Animals— Eight dogs and 1 cat with histologically confirmed intraocular neoplasia. Procedure— Signalment, clinical signs before and after surgery, results of microscopic examination of eviscerated intraocular tissues, follow-up information, and necropsy findings, if available, were recorded for each animal. Results— Five dogs and 1 cat had primary intraocular neoplasms. Two of the dogs developed regrowth of

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Guinee, Donald G., and Timothy Craig Allen. "Primary Pleural Neoplasia: Entities Other Than Diffuse Malignant Mesothelioma." Archives of Pathology & Laboratory Medicine 132, no. 7 (2008): 1149–70. http://dx.doi.org/10.5858/2008-132-1149-ppneot.

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Abstract Context.—Overwhelmingly, the most common neoplasm involving the pleura is metastatic carcinoma. In contrast, diffuse malignant mesothelioma occurs relatively rarely; however, it is nonetheless the most common neoplasm primary to the pleura. Metastatic carcinoma and diffuse malignant mesothelioma each have their own prognostic and therapeutic characteristics. Other primary pleural neoplasms occur uncommonly or rarely, with their own prognostic and therapeutic characteristics. Objective.—To review primary pleural neoplasms other than diffuse malignant mesothelioma, to better ensure corr

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GORNATTI CHURRIA, CD, and P. LOUKOPOULOS. "Non-metastatic ileal leiomyosarcoma in an aged pouter pigeon (Columba livia)." Journal of the Hellenic Veterinary Medical Society 68, no. 4 (2018): 675. http://dx.doi.org/10.12681/jhvms.16073.

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Intestinal smooth muscle neoplasms are rarely reported in avian species. An aged male pouter pigeon (Columba livia) had anorexia, somnolence, progressive emaciation and yellowish diarrhea of four days’ duration and died despite antibiotic and antiparasitic treatment. At necropsy, the ileum bore a whitish, nodular, 0.8 cm in diameter mass severely narrowing the lumen. Histopathologically, the ileal mass was a well-demarcated, expansile neoplasm severely expanding the tunica muscularis and invading the mucosa. The neoplasm was composed of densely packed spindle cells with elongated nuclei arrang

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Oliveira, Giuliano da Paz, Régio José Santiago Girão, Cléverson Teixeira Soares, and Edgard Jose Franco Mello Junior. "Multiple metastatic basal cell carcinoma with concurrent metastatic pleomorphic sarcoma in chronic lymphedema area: case report." Anais Brasileiros de Dermatologia 87, no. 6 (2012): 899–902. http://dx.doi.org/10.1590/s0365-05962012000600013.

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Chronic lymphedema presents as interstitial fluid retention due to a failure in the lymphatic system drainage. The affected region becomes more vulnerable immunologically and predisposed to the onset of neoplasms. Basal Cell Carcinoma is the most common sort of neoplasm, nevertheless it rarely metastisizes. Sarcomas are malignant mesenchymal neoplasms, locally aggressive, which can spread. Here is reported an infrequent case of multiple basal cell carcinoma, synchronous to a poorly differentiated pleomorphic sarcoma, both spreading to lymph nodes and arising from tissue compromised by chronic

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Hentschel, Stephen, and Brian Toyota. "Intracranial Malignant Glioma Presenting as Subarachnoid Hemorrhage." Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 30, no. 1 (2003): 63–66. http://dx.doi.org/10.1017/s0317167100002468.

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Objective:Cerebral aneurysms are the predominant cause of spontaneous subarachnoid hemorrhage (SAH). However, if an aneurysmal cause has been excluded, there remains but a short list of other potential etiologies. Cerebral neoplasms are clearly on this list but are most commonly meningiomas or metastatic lesions. This article details a case of a neoplasm that presented exclusively with SAH.Clinical Presentation:A 40-year-old male presented with a SAH with normal cerebral angiography. The initial magnetic resonance image revealed a lesion in the right insula thought to be resolving hemorrhage.

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Koechlin, Luca, Andreas Zettl, Dieter Koeberle, Markus von Flüe, and Martin Bolli. "Metastatic Inflammatory Myofibroblastic Tumor of the Spleen: A Case Report and Review of the Literature." Case Reports in Surgery 2016 (2016): 1–3. http://dx.doi.org/10.1155/2016/8593242.

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Introduction. Inflammatory myofibroblastic tumors (IMT) of the spleen are rare neoplasms and only little is known about the origin and behavior of these tumors. Here we report the case of a 37-year-old woman with an atypical spindle cell neoplasm showing features strongly suggesting an IMT of the spleen with hepatic metastasis. Methods. A 37-year-old patient had been complaining about pain in the left upper abdomen for the last two months. A CT scan revealed a tumor mass in her spleen and liver. After complete staging, a splenectomy and atypical liver resection of segments VII and VIII were pe

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Basavannaiah, Sphoorthi. "Deceiving & deceptive growth in the ear canal in an elderly female." Journal of Otolaryngology-ENT Research 13, no. 4 (2021): 74–77. http://dx.doi.org/10.15406/joentr.2021.13.00494.

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Malignant neoplasms of the external auditory canal, middle and inner ear are rare. Squamous cell carcinoma (SCC) is the most common neoplasm to occur in this region. As such primary neoplasms of the external auditory canal and temporal bone are uncommon, as these structures more frequently are involved by the cutaneous squamous cell carcinoma (cSCC) of pinna or metastatic cSCC involving parotid gland or post auricular lymph nodes.

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C., Sunil K., B. Y. Praveen Kumar, Malavika Hari, Mir Arshad Ali, and M. K. Veenapani. "Small cell neuroendocrine carcinoma of subglottis: a case report." International Journal of Otorhinolaryngology and Head and Neck Surgery 7, no. 5 (2021): 892. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20211590.

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<p class="abstract">Small cell carcinoma is an uncommon type of malignant epithelial neuroendocrine neoplasm. It is most commonly of pulmonary origin and only less than five percent of all tumours are extrapulmonary. Esophagus, stomach, colon and rectum, gall bladder, head and neck, urinary bladder, prostate, skin and cervix are the most common extrapulmonary sites. Small cell carcinoma of larynx accounts for less than one percent of all laryngeal neoplasms. It is a highly aggressive neoplasm with poor prognosis. It most commonly affects supraglottis in males who are heavy smokers in the

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Ward, Thomas J., Michael A. Kadoch, Adam H. Jacobi, Pablo P. Lopez, Javier Sanz Salvo, and Matthew D. Cham. "Magnetic Resonance Imaging of Benign Cardiac Masses: A Pictorial Essay." Journal of Clinical Imaging Science 3 (August 31, 2013): 34. http://dx.doi.org/10.4103/2156-7514.117458.

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The differential diagnosis for a cardiac mass includes primary and metastatic neoplasms. While primary cardiac tumors are rare, metastatic disease to the heart is a common finding in cancer patients. Several “tumor-like” processes can mimic a true cardiac neoplasm with accurate diagnosis critical at guiding appropriate management. We present a pictorial essay of the most common benign cardiac masses and “mass-like” lesions with an emphasis on magnetic resonance imaging features.

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Lund, Lidiya, and Ramila Amre. "Epithelioid Angiosarcoma Involving the Lungs." Archives of Pathology & Laboratory Medicine 129, no. 1 (2005): e7-e10. http://dx.doi.org/10.5858/2005-129-e7-eaitl.

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Abstract Diffuse lung involvement by metastatic tumor from an unknown primary site often constitutes a diagnostic dilemma. Although cytologic features and pattern of metastatic spread can guide in narrowing the list of possible primary neoplasms, immunohistochemistry remains pivotal in determining the phenotype of metastatic disease. We report a case with extensive involvement of lung parenchyma by a metastatic epithelioid neoplasm exhibiting a variety of distinctive patterns with a predominance of intra-arterial and lymphangitic spread. Immunohistochemical studies showed no evidence of epithe

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Asakra, Rana, Shane Zaidi, and Khin Thway. "Metastatic Sclerosing Epithelioid Fibrosarcoma in Bone Marrow." International Journal of Surgical Pathology 25, no. 8 (2017): 702–4. http://dx.doi.org/10.1177/1066896917720727.

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Sclerosing epithelioid fibrosarcoma (SEF) is an aggressive neoplasm thought to be related to low-grade fibromyxoid sarcoma, which typically occurs in middle-aged adults in the deep soft tissues of the lower extremities and trunk. It comprises nests and cords of relatively uniform epithelioid polygonal cells with clear or eosinophilic cytoplasm in densely sclerotic stroma, and it is typically associated with EWSR1 gene rearrangements, and most commonly EWSR1-CREB3L1 fusions. As primary SEF can arise in bone, and bone is also a common metastatic site for SEF, its recognition at this site is impo

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Pereira, Gabriela Oliveira, Nathalia Da Silva Carvalho, Paula Dias Retamero, et al. "Metastatic Hemangiosarcoma in a Cow." Acta Scientiae Veterinariae 46 (April 7, 2018): 5. http://dx.doi.org/10.22456/1679-9216.86589.

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Background: Hemangiosarcoma is a malignant mesenchymal neoplasm of endothelial cells that mainly affects dogs and is less common in horses, cattle, goats, pigs, and sheep. In ruminants, however, few cases of hemangiosarcoma have been reported. Although this neoplasm may primarily occur in any tissue, it most often originates in the spleen, liver, heart, and skin. This study reports the clinical and pathological findings of a bovine hemangiosarcoma.Case: A 10-year-old lactating Girolando cow from the municipality of Vassouras/RJ was examinated because of uncontrolled cough and bilateral hemopty

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Shen, Steven S., Luan D. Truong, Marina Scarpelli, and Antonio Lopez-Beltran. "Role of Immunohistochemistry in Diagnosing Renal Neoplasms: When Is It Really Useful?" Archives of Pathology & Laboratory Medicine 136, no. 4 (2012): 410–17. http://dx.doi.org/10.5858/arpa.2011-0472-ra.

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Context.—With the refinement of molecular and histologic classifications of renal neoplasms and the availability of more-effective molecular targeted therapy for specific renal neoplasms, immunohistochemical techniques will play an increasingly important role in the diagnosis of renal neoplasm. During the past few decades, many markers have been evaluated for their role in the diagnosis, prognosis, and prediction of treatment for renal neoplasms. The number of useful markers in our routine practice continues to increase. The challenge will be to choose among them and to decide in which situati

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Będkowski, Przemysław, and Wojciech Rogowski. "Cytostatic treatment with irinotecan liposomal in a patient with advanced pancreatic adenocarcinoma." OncoReview 11, no. 2(42) (2021): 40–43. http://dx.doi.org/10.24292/01.or.122280621.

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Pancreatic cancer is one of the most common malignant neoplasms with a short survival time and a low cure rate. This neoplasm progresses quickly, it is often diagnosed in the advanced stage, which means that systemic treatment regimens are not sufficiently effective. A case of 65-year-old patient with metastatic pancreatic cancer who underwent sequential chemotherapy with the use of liposomal irinotecan was presented.

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Moshurov, Ivan Petrovich, and Olga Valerievna Andreeva. "Metastatic adrenal lesions in cancer patients." Vestnik of Experimental and Clinical Surgery 11, no. 3 (2018): 179–82. http://dx.doi.org/10.18499/2070-478x-2018-11-3-179-182.

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Relevance.The col lective concept of" incidence " of the adrenal glands includes a group of neoplasms of more than 1 cm in diameter, accidentally revealed by radiation methods of research. With the development of methods of instrumental diagnostics, the number of adrenal glands detected by the incident is steadily increasing, including in patients with a history of malignant neoplasm (ZNO). Objective.Study of the frequency of occurrence metastaties of adrenal tumors in cancer patients. Materials and methods. Made 137 fine-needle aspiration biopsies (TAB) of adrenal tumors in the pa

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Kunhikoloth, Sradha, K. K. Suresh, and Swapnika Goud G. "A rare case report ofIntracholecystic papillary-tubular neoplasm of the gall bladder." IP Archives of Cytology and Histopathology Research 9, no. 1 (2024): 49–52. http://dx.doi.org/10.18231/j.achr.2024.009.

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The understanding of Intracholecystic Papillary Neoplasm (ICPN) in the gallbladder is a recent development, hypothesized to have similarities in clinical and pathological traits with Intraductal Papillary Mucinous Neoplasm (IPMN) of the pancreas and Intraductal Papillary Neoplasm of the Bile Duct (IPNB). In this report, we present an uncommon instance of Intracholecystic Papillary-Tubular Neoplasms in a 38-year-old male. Although Intracholecystic Papillary Neoplasm (ICPN) is uncommon in the gallbladder lining, it typically presents a more favorable prognosis in contrast to gallbladder adenocar

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Gasparini, Molly K., Laura E. Selmic, Matthew Cook, Megan Brown, and Vincent A. Wavreille. "Abscessation associated with an intramuscular haemangiosarcoma in a dog." Veterinary Record Case Reports 8, no. 1 (2020): e000982. http://dx.doi.org/10.1136/vetreccr-2019-000982.

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Haemangiosarcoma (HSA) is a neoplasm of the endothelial cells. Intramuscular HSA is an uncommon presentation of this endothelial cell neoplasm. This report describes an unusual case of an intramuscular HSA arising in the hindlimb of a dog with associated abscessation. Diagnosis of underlying HSA was complicated by associated infection and initial cytological evaluation showed only septic suppurative inflammation. However, due to the heterogeneously contrast enhancing appearance of the area on CT, underlying neoplasia was suspected. Definitive diagnosis of HSA could only be made following excis

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Proverbio, Daniela, Eva Spada, Roberta Perego, et al. "Potential Variant of Multiple Endocrine Neoplasia in a Dog." Journal of the American Animal Hospital Association 48, no. 2 (2012): 132–38. http://dx.doi.org/10.5326/jaaha-ms-5708.

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This report describes multiple endocrine neoplasia in a dog, which is a rare hereditary disorder characterized by the presence of two or more neoplasms of different endocrine tissues within a patient. A 14 yr old dog was evaluated for polyuria/polydipsia, polyphagia, and abdominal enlargement. Adrenal-dependent hyperadrenocorticism with concomitant left thyroid enlargement and a presumed abdominal metastatic lesion were diagnosed by an adrenocorticotropic hormone stimulation test, ultrasonography, and computed tomography. Trilostane therapy was initiated and resolved the clinical signs for 2 y

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M., Vani, Jeena Sam Kachappilly, and Geetha K. "Surgical resection for hepatic space occupying lesions: a histopathological analysis." International Journal of Research in Medical Sciences 5, no. 5 (2017): 2215. http://dx.doi.org/10.18203/2320-6012.ijrms20171872.

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Background: Hepatic resections are done for both neoplastic and non-neoplastic diseases of liver with malignancies constituting a major share of cases. The objective of this study was to assess the various neoplatic and non-neoplastic lesions in hepatic resection specimens and to categorize the various histopathological types of primary and secondary liver tumors.Methods: The study was conducted in the Department of Pathology, Academy of Medical sciences, Pariyaram. This was a hospital based study which included 79 patients who underwent hepatic resection for space occupying lesions over a per

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Sweidan, Alexander J., Navneet K. Singh, Alexander Stein, and Maged Tanios. "Nodular Sarcoidosis Masquerading as Cancer." Clinical Medicine Insights: Circulatory, Respiratory and Pulmonary Medicine 11 (January 1, 2017): 117954841770312. http://dx.doi.org/10.1177/1179548417703123.

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Nodular lung disease is a rare pulmonary manifestation of sarcoidosis and resembles metastatic neoplasm disease. Nodular sarcoidosis is rare, varying from 1.6% to 4% of patients with sarcoidosis. Radiographic nodules measure from 1 to 5 cm in diameter that typically consist of coalescent granulomas. There is limited data on this form of sarcoidosis and its presentation can mimic primary or metastatic pulmonary neoplasms. Nodular sarcoidosis has a favorable prognosis, and resolution can be seen with oral corticosteroids. Herein, we present such a case of nodular pulmonary sarcoidosis with a lun

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Truong, Luan D., and Steven S. Shen. "Immunohistochemical Diagnosis of Renal Neoplasms." Archives of Pathology & Laboratory Medicine 135, no. 1 (2011): 92–109. http://dx.doi.org/10.5858/2010-0478-rar.1.

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Abstract Context—Histologic diagnosis of renal neoplasm is usually straightforward by routine light microscopy. However, immunomarkers may be essential in several contexts, including differentiating renal from nonrenal neoplasms, subtyping of renal cell carcinoma (RCC), and diagnosing rare types of renal neoplasms or metastatic RCC in small biopsy specimens. Objective—To provide a comprehensive review of the diagnostic utility of immunomarkers for renal neoplasms. Design—This review is based on published literature and personal experience. Conclusions—The following markers may have diagnostic

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Chakhachiro, Zaher I., and Ghazi Zaatari. "Solid-Pseudopapillary Neoplasm: A Pancreatic Enigma." Archives of Pathology & Laboratory Medicine 133, no. 12 (2009): 1989–93. http://dx.doi.org/10.5858/133.12.1989.

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Abstract Solid-pseudopapillary neoplasm of the pancreas is a relatively uncommon tumor. It typically affects young women, has nonspecific clinical and radiologic manifestations, and can be readily diagnosed by ultrasound-guided fine-needle aspiration and histopathologic evaluation. Histologic features characteristically show loosely cohesive, relatively uniform polygonal cells surrounding delicate capillary-sized blood vessels. Other features include cytoplasmic vacuolization, finely stippled chromatin, nuclear grooving, eosinophilic hyaline globules, and degenerative changes. Almost all solid

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Economopoulou, Panagiota, Athena Chrysikopoulou, Kalliroi Goula, et al. "Breast Metastasis from Neuroendocrine Carcinoma of the Lung: A Case Report and Review of the Literature." Case Reports in Oncology 13, no. 3 (2020): 1281–84. http://dx.doi.org/10.1159/000510936.

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Breast metastasis originating from non-mammary tumors is an uncommon event accounting for 0.5–6.6% of all breast neoplasms. The primary malignancies that reportedly metastasize to the breast most frequently are hematologic malignancies, such as leukemia and lymphoma and malignant melanoma. Breast cancer metastasis resulting from a primary lung neoplasm is significantly less commonly described in the literature. Herein, we present the unusual case of a patient with metastatic disease to the breast from a primary lung tumor.

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Afonin, G. V., A. E. Glukhareva, E. I. Smolenov, et al. "The application of PET/CT with 18F-FDG in the differential diagnosis of lung solitary lesions." Research and Practical Medicine Journal 9, no. 3 (2022): 80–90. http://dx.doi.org/10.17709/2410-1893-2022-9-3-6.

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Purpose of the study. The study was aimed to investigate the effectiveness of PET / CT with 18 fluoro‑2 deoxy-D-glucose (18F-FDG) in the differential diagnosis of focal lung neoplasms.Materials and methods. Patients (n = 108) with newly diagnosed lung focal lesions were enrolled in the study. All patients underwent PET / CT with 18fluoro‑2deoxy-D-glucose in the "whole body" mode in accordance with the standard protocol. The next step was surgical treatment with morphological verification. According to the results of the morphological conclusion, malignant neoplasm was not diagnosed in 11 (10.2

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MADEJ, JANUSZ A., JAKUB DANILUK, and PAWEŁ MADEJ. "Neoplasms – biological phenomenon." Medycyna Weterynaryjna 79, no. 08 (2023): 6802–2023. http://dx.doi.org/10.21521/mw.6802.

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Neoplasm is the cause of a double disease of the body, i.e. with two faces (Janus disease), which means both the presence of cancer cells and the secondary disorders of the immune system function caused by them. The second possibility is a temporary decrease in immunity, caused by e.g. influenza, and revealing a neoplastic disease. Neoplasms are induced by both genetic and epigenetic factors (Fig. 1), giving different types of mono- and polyclonal metastases and cross-spreading (Fig. 2). Recently, exosomes have been ascribed an important role in the formation of metastases. They transfer infor

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Sharifi, Nasab Marjan, Hamide Yazdimoghaddam, Seyedeh Tahereh Mohaddes, and Mohammad Hasan Rakhshani. "Association between Diabetes and Controlling Risk Factors with Survival Rate in Colorectal Cancer." Journal of Advances in Medical and Biomedical Research 30, no. 138 (2021): 24–29. https://doi.org/10.30699/jambs.30.e56391.

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<strong>Abstract:</strong>   <strong>Background and Objective: </strong>Colorectal cancer (CRC) is a highly prevalent malignancy leading to death across the world. However, patient survival is greatly affected following a diagnosis of diabetes. The purpose of this research was to study the correlation between diabetes and controlling risk factors with the survival rate of colorectal cancer patients. <strong>Materials and Methods: </strong>This retrospective follow‐up study was done on 356 patients with colorectal cancer, who had been diagnosed during 1999-2013. Notably, the

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Alghamdi, Sarah, and Yumna Omarzai. "Metastatic Melanoma Presenting as Intussusception in an 80-Year-Old Man: A Case Report." Case Reports in Pathology 2013 (2013): 1–3. http://dx.doi.org/10.1155/2013/672816.

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Malignant melanoma of the gastrointestinal tract is an uncommon neoplasm that could be primary or metastatic. Small intestine represents the most common site for the metastatic melanoma; however, it could be found anywhere in the gastrointestinal tract. Intussusception is a rare cause of intestinal obstruction in adults compared to children. In 90% of the cases, the underlying cause can be found, and in 65% of the cases, intussusception is caused by the neoplastic process. The majority of the neoplasms are benign, and about 15% are malignant. Metastatic melanoma is one of the most common metas

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Valentim, Larissa Garbelini, Rogério Anderson Marcasso, Ana Paula Frederico Loureiro Bracarense, and Mônica Vicky Bahr Arias. "Spinal Neoplasm in Dogs." Acta Scientiae Veterinariae 44, no. 1 (2018): 10. http://dx.doi.org/10.22456/1679-9216.81302.

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Background: Various diseases can cause spinal cord disorders in dogs including neoplasia of the nervous system, which are more common in mature and older animals. Some breeds, as brachycephalics, are more predisposed for certain types of tumors. Spinal neoplasia can be categorized as primary or secondary tumors, and still can be grouped in extradural, intradural/extramedullary or intramedullary. The aim of this study was to investigate the signalment, neurological syndrome, type and source of the mass, presence of metastases, and clinical outcomes in 28 dogs diagnosed with spinal tumors.Materi

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Newman, Shelley J., and Barton Rohrbach. "Pot-bellied pig neoplasia." Journal of Veterinary Diagnostic Investigation 24, no. 5 (2012): 1008–13. http://dx.doi.org/10.1177/1040638712452725.

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The current report summarizes the incidence and variety of neoplasms in pot-bellied pigs as documented by the pathology group at the University of Tennessee, College of Veterinary Medicine (UTCVM) between 2004 and 2011. Sixty-three pot-bellied pig cases (53 necropsies and 10 surgical biopsies) were identified from the UTCVM case database. Of these, 22 cases from 21 patients (34.9%) were given a diagnosis of neoplasia, including 10 females, 3 spayed females, 2 males, and 7 neutered males. The mean age of affected animals was 11.3 years. The incidence of neoplasia among the necropsy cases was 28

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Conlin, Phillip A., Jose Luis Mira, Suzanne C. Graham, Kim Sutker Kaye, and Joehassin Cordero. "Ceruminous Gland Adenoid Cystic Carcinoma With Contralateral Metastasis to the Brain." Archives of Pathology & Laboratory Medicine 126, no. 1 (2002): 87–89. http://dx.doi.org/10.5858/2002-126-0087-cgaccw.

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Abstract We present the case of a 38-year-old man with an adenoid cystic carcinoma originating from the ceruminous glands of the external ear canal. The patient subsequently presented with a contralateral brain mass that was also diagnosed as adenoid cystic carcinoma. To our knowledge, contralateral metastasis to the brain of a patient with an adenoid cystic carcinoma of the ceruminous glands has not been reported previously. This rare neoplasm should be considered in the differential diagnosis of poorly differentiated carcinomas metastatic to the central nervous system in patients with occult

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Grib, A. K., and V. A. Basinskii. "ASSESSMENT OF PROGNOSTIC VALUE OF SMOOTH MUSCLE ACTIN EXPRESSIONS IN PROSTATE CANCER." Health and Ecology Issues, no. 2 (June 28, 2007): 106–10. http://dx.doi.org/10.51523/2708-6011.2007-4-2-17.

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Based оn the data yielded by immunohistochemical and morphometric research, expressions of smooth muscle actin in the prostate cancer were analysed. It was revealed, that its low expression in a stroma of neoplasms and in walls of vessels is more characteristic of low-grade cancers and tumours with higher metastatic potential. In addition, low-grade cancers featured disturbance of the formation of vessels’ smooth muscle skeleton, decrease of its thickness, appearance of discontinuity and defects of smooth muscle layer, which reflect imperfection of neoangiogenesis and can be a prognostic marke

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Turner, Matthew S., and Jeffrey D. Goldsmith. "Best Practices in Diagnostic Immunohistochemistry: Spindle Cell Neoplasms of the Gastrointestinal Tract." Archives of Pathology & Laboratory Medicine 133, no. 9 (2009): 1370–74. http://dx.doi.org/10.5858/133.9.1370.

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Abstract Context.—The proper classification of spindle cell neoplasms of the gastrointestinal tract frequently requires the use of immunohistochemistry, as the histologic appearance of these lesions often overlaps. Objective.—To review the antibodies used in the diagnosis of spindle cell neoplasms of the gastrointestinal tract, and to outline an approach to the evaluation of these lesions by using immunohistochemistry. Data Sources.—The authors' experience and a review of the English literature from 1976 to 2008. Conclusions.—The most common spindle cell neoplasm of the gastrointestinal tract

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Oliveira, A. R., F. M. A. M. Pereira, D. O. Santos, T. P. Carvalho, L. L. Soares-Neto, and R. L. Santos. "Pulmonary adenocarcinoma in a captive ocelot (Leopardus pardalis): morphologic and immunophenotypic characterization - case report." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 73, no. 5 (2021): 1111–16. http://dx.doi.org/10.1590/1678-4162-12324.

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ABSTRACT Pulmonary adenocarcinoma is a malignant epithelial neoplasia that usually arises from conducting airways or alveolar parenchyma. It has rarely been described in wild felids, with no previous reports in ocelots. In domestic cats it is a very aggressive neoplasm with a high metastatic rate that usually evolves to death. This report aimed to describe a pulmonary adenocarcinoma in a captive and senile ocelot (Leopardus pardalis), with a thorough morphologic and immunophenotypically characterization, evidencing the epithelial-mesenchymal transition (EMT) phenomenon in a high metastatic car

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Bacorn, Colin, Esther Kim, Alexander D. Borowsky, and Lily Koo Lin. "Previously undiagnosed neuroendocrine tumour mimicking breast cancer metastasis to the orbit." BMJ Case Reports 13, no. 5 (2020): e234629. http://dx.doi.org/10.1136/bcr-2020-234629.

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Metastatic neuroendocrine neoplasms to the breast are rare and histopathologic overlap with mammary carcinomas has led to misdiagnosis. We present a case of a middle-aged woman with diplopia and a right medial rectus mass. Metastatic breast cancer was initially suspected based on a history of invasive ductal carcinoma. Detailed immunohistochemistry of the orbital biopsy, gallium-68 dotatate positron emission tomography–CT, and reevaluation of her prior breast specimen, demonstrated that her initial breast carcinoma diagnosis was in error and she was ultimately diagnosed with a previously unkno

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Pathak, Tarali, Lopa Mudra Kakoti, Shiraj Ahmed, Anupam Sarma, and Yopovinu Rhutso. "Collision tumour of thyroid – A case series." IP Archives of Cytology and Histopathology Research 8, no. 4 (2024): 288–91. http://dx.doi.org/10.18231/j.achr.2023.066.

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A collision tumour is described as the coexistence of two adjacent but histologically distinct and morphologically independent malignant tumours in the same organ with no histological admixture. In this article we present 3 cases of simultaneous occurrence of two thyroid neoplasm in the same patient. A 49 year old lady with swelling in right lobe of thyroid, diagnosed as follicular neoplasm with hurthle cell morphology (Bethesda category IV) on Fine needle aspiration cytology (FNAC). Histopathological examination (HPE) showed Hurthle cell carcinoma, right lobe and 3 mm foci of NIFTP, left lobe

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Kaddouri, Hajar, Pawendtaoré Esdras Zongo, Tarik Chekrine, et al. "Follicular Dendritic Cell Sarcoma of the Tonsil: A Case Report with Review of the Literature." Scholars Journal of Medical Case Reports 12, no. 05 (2024): 946–50. http://dx.doi.org/10.36347/sjmcr.2024.v12i05.097.

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Introduction: Follicular dendritic cell tumors (CDF tumors) are rare, it is an uncommon neoplasm derived from non-lymphoid accessory cells of peripheral lymphoid tissue. FDCS is grouped with histiocytic neoplasms and dendritic cell neoplasms in the World Health Organization tumor classification. Observation: We report the case of a 37-year-old patient followed for dendritic follicular cell sarcoma of the epithelioid type of the left amygdala. He underwent surgical removal of the left tonsil, followed by chemotherapy such as Cyclophosmide, Doxorubicin, Vincristine, and Prednisolone (CHOP) and r

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Shiman, O. V., and V. S. Aliaksinski. "FEATURES OF THE LOCAL IMMUNE RESPONSE AND IMMUNOHISTOCHEMICAL MARKERS OF PROGNOSIS IN CERVICAL CANCER." Journal of the Grodno State Medical University 20, no. 6 (2022): 584–92. http://dx.doi.org/10.25298/2221-8785-2022-20-6-584-592.

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According to modern data, cervical cancer (CC) occupies one of the leading places in the structure of malignant neoplasms in women of the Republic of Belarus and the Russian Federation; it is also the fourth most common cancer among women worldwide and the seventh in the general statistics of the incidence of human malignant tumors. Currently, there is a tendency towards an increase in the incidence of cervical cancer among young women, and therefore the problem of diagnosing and evaluating the prognosis of this tumor pathology is becoming increasingly important. The process of carcinogenesis

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Mouchli, Mohamad A., Sarah E. Kerr, and Lewis Roberts. "An Enlarging Metastatic Calcified Liver Lesion of an Occult Melanoma." Case Reports in Oncology 11, no. 2 (2018): 388–91. http://dx.doi.org/10.1159/000489555.

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Calcified liver lesions are caused by a wide variety of factors. The most common lesions are inflammatory liver lesions followed by benign and malignant neoplasms. Hemangioma, one of the most common benign hepatic neoplasm in adults, often contains calcifications, in up to 20% of cases secondary to fibrosis and thrombosis of blood vessels. These calcifications are typically large, coarse, and located in the center of the lesions. Liver metastases, the most common malignant lesions found in the noncirrhotic liver, may contain areas of calcification. Radiologists should be aware of morphologic i

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Mahajan, Hema, Martijn Pieter Gosselink, Angelina M. Di Re, George Larcos, Chow Heok P’ng, and Grahame Ctercteko. "A Multifocal Pattern of Neuroendocrine Neoplasms Along the Appendix: A Series of Six Cases." International Journal of Surgical Pathology 27, no. 6 (2019): 613–18. http://dx.doi.org/10.1177/1066896919845048.

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We present 6 cases with multifocal appendiceal neuroendocrine tumors, including their clinical and histopathological findings. To our knowledge, this is the first description of a multifocal pattern of a neuroendocrine neoplasm arising in the appendix. All patients presented in a setting requiring an acute appendectomy. The number of tumors ranged from 2 to 5. Histopathological examination revealed WHO (World Health Organization) grade 1 tumor in 3 patients and WHO grade 2 in the other 3 patients. The median duration of follow-up in these patients was 70 months (range = 6-192 months). No metas

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Helton, Matthew, Muhammad Abu-Rmaileh, Kevin Thomas, Murat Gokden, Alissa Kanaan, and Analiz Rodriguez. "Pituitary Metastatic Composite Tumors: A Case Report with Next-Generation Sequencing and Review of the Literature." Case Reports in Oncological Medicine 2020 (July 21, 2020): 1–8. http://dx.doi.org/10.1155/2020/5073236.

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Background. While pituitary tumors are well understood, little research has been done on metastasis from primary tumors into pituitary adenomas, also known as composite tumors. Because only 34 cases of composite tumors have been reported to date, we hope to better characterize these tumors by reviewing cases reported in the literature and reviewed our own documented case, which includes next-generation sequencing. Case Presentation. A 74-year-old man presented to the emergency department with left vision loss for 3 months. He had a history of colon cancer treated with colectomy and clear cell

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Chaudhary, Ammad Javaid, Taher Jamali, Yara Dababneh, Abdulmalik Saleem, and Reena Salgia. "Late Presentation of Recurrent Solid Pseudopapillary Pancreatic Neoplasm With Liver Metastases During Pregnancy." ACG Case Reports Journal 11, no. 8 (2024): e01418. http://dx.doi.org/10.14309/crj.0000000000001418.

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ABSTRACT Our case highlights a rare instance of recurrent metastatic solid pseudopapillary epithelial neoplasms of the pancreas, emerging 8 years after radical pancreatic resection—an extended interval surpassing the reported average. Managing solid pseudopapillary epithelial neoplasm during pregnancy is uniquely challenging, given the increase in the expression of progesterone receptors during the intrapartum period, leading to tumor growth. Although surgical resection remains the primary approach, systemic chemotherapy, radiation therapy, and liver transplant are other considerations. The ab

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Fidelis, Otobo O., Ikpi Edet, Enakirerhi Glen, et al. "Papillary cystadenoma of right testis: Case report and literature review." Case Reports in Clinical Pathology 4, no. 2 (2017): 8. http://dx.doi.org/10.5430/crcp.v4n2p8.

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Testicular cystadenoma is ranked the second commonest benign neoplasm. Other benign epididymal neoplasms include adenomatoid tumor (most common), leiomyoma, serous (nonpapillary) cystadenoma, cavernous hemangioma, and melanotic neuroectodermal tumor. Adenocarcinoma, mesothelioma, and metastatic renal cell carcinoma are malignant tumors that can affect the epididymis. A 24-year-old male undergraduate with a 3-month history of mildly tender right testicular swelling histologically diagnosed as papillary cystadenoma is presented. This case is presented from our locality as the first of its’ kind;

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Leone, Angelique M., Graham J. Crawshaw, Michael M. Garner, et al. "A RETROSPECTIVE STUDY OF THE LESIONS ASSOCIATED WITH IRON STORAGE DISEASE IN CAPTIVE EGYPTIAN FRUIT BATS (ROUSETTUS AEGYPTIACUS)." Journal of Zoo and Wildlife Medicine 47, no. 1 (2016): 45–55. https://doi.org/10.5281/zenodo.13449612.

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(Uploaded by Plazi for the Bat Literature Project) Egyptian fruit bats (Rousettus aegyptiacus) are one of many species within zoologic collections that frequently develop iron storage disease. The goals of this retrospective multi-institutional study were to determine the tissue distribution of iron storage in captive adult Egyptian fruit bats and the incidence of intercurrent neoplasia and infection, which may be directly or indirectly related to iron overload. Tissue sections from 83 adult Egyptian fruit bats were histologically evaluated by using tissue sections stained with hematoxylin and

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Leone, Angelique M., Graham J. Crawshaw, Michael M. Garner, et al. "A RETROSPECTIVE STUDY OF THE LESIONS ASSOCIATED WITH IRON STORAGE DISEASE IN CAPTIVE EGYPTIAN FRUIT BATS (ROUSETTUS AEGYPTIACUS)." Journal of Zoo and Wildlife Medicine 47, no. 1 (2016): 45–55. https://doi.org/10.5281/zenodo.13449612.

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(Uploaded by Plazi for the Bat Literature Project) Egyptian fruit bats (Rousettus aegyptiacus) are one of many species within zoologic collections that frequently develop iron storage disease. The goals of this retrospective multi-institutional study were to determine the tissue distribution of iron storage in captive adult Egyptian fruit bats and the incidence of intercurrent neoplasia and infection, which may be directly or indirectly related to iron overload. Tissue sections from 83 adult Egyptian fruit bats were histologically evaluated by using tissue sections stained with hematoxylin and

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49

Leone, Angelique M., Graham J. Crawshaw, Michael M. Garner, et al. "A RETROSPECTIVE STUDY OF THE LESIONS ASSOCIATED WITH IRON STORAGE DISEASE IN CAPTIVE EGYPTIAN FRUIT BATS (ROUSETTUS AEGYPTIACUS)." Journal of Zoo and Wildlife Medicine 47, no. 1 (2016): 45–55. https://doi.org/10.5281/zenodo.13449612.

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(Uploaded by Plazi for the Bat Literature Project) Egyptian fruit bats (Rousettus aegyptiacus) are one of many species within zoologic collections that frequently develop iron storage disease. The goals of this retrospective multi-institutional study were to determine the tissue distribution of iron storage in captive adult Egyptian fruit bats and the incidence of intercurrent neoplasia and infection, which may be directly or indirectly related to iron overload. Tissue sections from 83 adult Egyptian fruit bats were histologically evaluated by using tissue sections stained with hematoxylin and

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50

Leone, Angelique M., Graham J. Crawshaw, Michael M. Garner, et al. "A RETROSPECTIVE STUDY OF THE LESIONS ASSOCIATED WITH IRON STORAGE DISEASE IN CAPTIVE EGYPTIAN FRUIT BATS (ROUSETTUS AEGYPTIACUS)." Journal of Zoo and Wildlife Medicine 47, no. 1 (2016): 45–55. https://doi.org/10.5281/zenodo.13449612.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) Egyptian fruit bats (Rousettus aegyptiacus) are one of many species within zoologic collections that frequently develop iron storage disease. The goals of this retrospective multi-institutional study were to determine the tissue distribution of iron storage in captive adult Egyptian fruit bats and the incidence of intercurrent neoplasia and infection, which may be directly or indirectly related to iron overload. Tissue sections from 83 adult Egyptian fruit bats were histologically evaluated by using tissue sections stained with hematoxylin and

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