Pleomorphic Xanthoastrocytoma
Original Article Infratentorial pleomorphic xanthoastrocytoma: report of two cases and review of literature
... Pleomorphic xanthoastrocytoma (PXA) is a rare, primary, low-grade, astrocytic tumor, which was first described in 1979 by Kepes ...with pleomorphic cells that exhibit cytoplasmic xanthic changes and ...
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Malignant Transformation of Cerebellar Pleomorphic Xanthoastrocytoma: A Case Report
... Pleomorphic xanthoastrocytoma (PXA) generally occurs in children and young adults and is classified as a low-grade astrocytic tumor with a potential favor- able ...
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Case Report Clinicopathologic changes and molecular finding of epithelioid pleomorphic xanthoastrocytoma: a case report
... were pleomorphic and indicated the presence of many epithelioid/rhabdomyoid cells, multifocal necrosis, and significant ...was pleomorphic xanthoastrocytoma (PXA, WHO grade II) with partial ...
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MR Imaging Features of Anaplastic Pleomorphic Xanthoastrocytoma Mimicking High Grade Astrocytoma
... anaplastic pleomorphic xanthoastrocytoma and 10 patients with pleomorphic xanthoastrocytoma who underwent MR imaging before an ...anaplastic pleomorphic xanthoastrocytoma, 9 with ...
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Glioblastoma multiforme versus pleomorphic xanthoastrocytoma with anaplastic features in the pathological diagnosis: a case report
... of pleomorphic xanthoastrocytoma (PXA) include strong pleomorphism resembling that of glioblastoma multiforme (GBM); however, according to the WHO classification, failure to identify mitosis and necrosis ...
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Case Report Cerebellar pleomorphic xanthoastrocytoma in a patient with neurofibromatosis type 1: a case report and literature review
... Pleomorphic xanthoastrocytoma (PXA) is a well- known yet somewhat uncommon tumor with characteristic histopathology that primarily arises in the temporal lobe of children and young ...
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Clinico-Histomorphological and Immunohistochemical Profile of Anaplastic Pleomorphic Xanthoastrocytoma: Report of Five Cases and Review of Literature
... Two years post-operatively, she came back with similar complaints and a repeat mass in the same site was found. Repeat biopsy showed highly cellular tumour with moderate to marked nuclear atypia and pleomorphism, ...
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Anaplastic Pleomorphic Xanthoastrocytoma: Morphological and Molecular Features of Three Cases
... Pleomorphic xanthoastrocytoma (PXA) is usually a low grade astrocytic ...as pleomorphic xanthoastrocytomas with anaplastic features and display increased risk of ...morphic xanthoastrocytoma ...
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Case Report Spinal pleomorphic xanthoastrocytoma companied with periventricular tumor
... Pleomorphic xanthoastrocytoma (PXA) is a rare tumor of central nervous system, which accounts for less than 1% of brain tumors. It was firstly reported and named by Kepes in 1979 [1]. Later, literatures of ...
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Angiomatous pleomorphic xanthoastrocytoma: a case report and literature review
... Pleomorphic xanthoastrocytoma (PXA) is an uncommon tumor of the central nervous system (CNS). It was first described as a unique entity in 1979 [1]. PXA typically de- velops in children and young adults, ...
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Original Article Clinical manifestations and outcomes of typical versus atypical pleomorphic xanthoastrocytoma: a single-institution experience
... Abstract: Pleomorphic xanthoastrocytoma (PXA) are rare, low-grade, intracranial tumors of glial origin, classified by the World Health Organization (WHO) as central nervous system grade II ...
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Review Article Pleomorphic xanthoastrocytoma inside lateral ventricle: a rare case report and literature review
... [13] Schindler G, Capper D, Meyer J, Janzarik W, Omran H, Herold-Mende C, Schmieder K, Wes- seling P, Mawrin C, Hasselblatt M, Louis DN, Korshunov A, Pfister S, Hartmann C, Paulus W, Reifenberger G, von Deimling A. ...
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Anaplastic pleomorphic xanthoastrocytoma with disseminated growth pattern at the time of diagnosis as well as after treatment: case report and review of literature
... Pleomorphic xanthoastrocytoma (PXA), first described by Kappes et al., is a rare tumor accounting for less than 1% of all astrocytic tumors [1]. PXA predominantly affects young patients and frequently ...
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Immunohistochemistry is highly sensitive and specific for detection of BRAF V600E mutation in pleomorphic xanthoastrocytoma
... Fifty pleomorphic xanthoastrocytoma (PXA) cases upon first surgical resection were selected from the files from Mayo Clinic (n = 32) and Johns Hopkins University (n = 18) from 1965 to ...and ...
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Pleomorphic Xanthoastrocytoma of Childhood: MR Imaging and Diffusion MR Imaging Features
... topathology and treatment of these tumors, there are fewer re- ports describing the imaging characteristics of PXAs. Moreover, imaging reports dedicated solely to pediatric PXAs are rare. The histopathologic descriptor ...
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Pleomorphic xanthoastrocytoma, a distinctive astroglial tumor: neuroradiologic and pathologic features
... On T2-weighted MR, three demonstrated ill-defined mixed signal intensities Fig 2 , and three showed well-defined high signal intensity Fig 3; in one instance , a T2-weighted sequence was[r] ...
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Demography, Pattern of Care, and Survival in Patients with Xanthoastrocytoma: A Systematic Review and Individual Patient Data Analysis of 325 Cases.
... Status of disease progression was documented in 275 patients. At a median follow-up of 32.4 months, 130 patients expe- rienced disease progression. Most common pattern of recurrence was local but 9 (6.9%) patients had ...
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The central nervous system tumor methylation classifier changes neuro-oncology practice for challenging brain tumor diagnoses and directly impacts patient care
... A 23-year-old male presented with seizures and hemi- plegia and imaging demonstrated a recurrent left tem- poral lesion. Following resection, the lesion was diagnosed histopathologically as a 1p/19q co-deleted an- ...
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High-grade pleomorphic liposarcoma of the breast
... 31. Pleomorphic and dedifferentiated liposarcomas share overlapping histologic features but have very different cytogenetic and expression profile studies, so it is important to decipher between the ...supporting ...
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Prognostic Validity of AgNOR in Pleomorphic Adenoma
... Pleomorphic adenoma (PA) is a tumor of variable capsulation characterized microscopically by multifaceted architecture which relates to dual proliferation and co-mingling of cells with ductal or myoepithelial ...
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