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An anaplastic pleomorphic xanthoastrocytoma with periventricular extension: An autopsy case report and review of the literature.
Neuropathology
October 2020
Department of Pathology, Shinshu University School of Medicine, Matsumoto, Japan.
Pleomorphic xanthoastrocytomas (PXAs) are rare low-grade astrocytic tumors that typically present as superficial nodular cystic tumors of the cerebrum attached to the leptomeninx. Histologically, they are pleomorphic, hypercellular glial neoplasms. Despite the presence of microscopic pleomorphism, patients' postoperative prognosis is generally good.
View Article and Find Full Text PDFHuman Immunodeficiency Virus-associated primary effusion lymphoma: An exceedingly rare entity in cerebrospinal fluid.
Cytojournal
November 2015
Address: Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
Primary effusion lymphoma (PEL) in patients with Human Immunodeficiency Virus (HIV) infection may involve pleural, pericardial, and peritoneal cavities. PEL involving the cerebrospinal fluid (CSF) is exceedingly rare, and to our knowledge has only been reported in two cases. We report another case of PEL diagnosed in CSF from a 61-year-old male with Acquired Immunodeficiency Syndrome that presented with neurological symptoms.
View Article and Find Full Text PDFSpinal pleomorphic xanthoastrocytoma companied with periventricular tumor.
Int J Clin Exp Pathol
November 2015
Department of Pathology, Yijishan Hospital, Wannan Medical College Wuhu, Anhui Province, P.R. China.
Pleomorphic xanthoastrocytoma (PXA) is a low grade tumor that occurs in supratentorial area of children and young adult. In the previous reports, PXA of spinal cord or multicentre was extremely rare. A 60-year-old patient of spinal PXA and periventricular tumor presented with waist pain and weakness of double legs for one month.
View Article and Find Full Text PDFCentral nervous system mucormycosis caused by Cunninghamella bertholletiae in a bottlenose dolphin (Tursiops truncatus).
J Wildl Dis
July 2014
1 Servei de Diagnòstic de Patologia Veterinària, Veterinary School, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
In May 2012, an adult, male bottlenose dolphin (Tursiops truncatus) was found stranded and dead on the Spanish Mediterranean coast. At necropsy, several areas of malacia were macroscopically observed in the periventricular parenchyma of the cerebrum. Microscopically a severe, diffuse, pyogranulomatous, and necrotizing meningoencephalomyelitis was associated with numerous intralesional highly pleomorphic fungal structures.
View Article and Find Full Text PDFPeriventricular pleomorphic xanthoastrocytoma (PXA): an uncommon tumor at an atypical site.
Arq Neuropsiquiatr
June 2011
Clinics Hospital, School of Medical Sciences, State University of Campinas, SP, Brazil.
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