Co‐existent pilocytic astrocytoma with acute B‐cell leukemia within the cerebellum
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چکیده
منابع مشابه
Spontaneous Malignant Transformation of a Pilocytic Astrocytoma of Cerebellum
Pilocytic astrocytoma is a slowly growing neoplasia that represents the most frequent cerebral tumor in pediatric age. Malignant transformation is rare and it is usually related to previous radiotherapy. The authors describe a case of a spontaneous malignant transformation of a pilocytic astrocytoma. A 3-year-old boy was diagnosed with a cerebellar hemisphere tumor. He was submitted to a comple...
متن کاملPilocytic astrocytoma.
To cite: Lourenço EP, Nzwalo H, Sampaio MR, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015213013 DESCRIPTION Pilocytic astrocytoma (PA) is a benign tumour of childhood, often located in deep midline structures such as the brainstem and the cerebellum. Gross surgical resection is curative in the majority of patients. We report a case of recurrent PA di...
متن کاملSpinal hemangioblastoma combined with pilocytic astrocytoma
The combination of vascular anomalies with gliomas is rarely seen in the CNS, and is defined as "angioglioma". However, the definition, category, and histopathogenesis of angiogliomas remain controversial. Here, we present an unusual case of spinal hemangioblastoma (HB) combined with pilocytic astrocytoma (PA). Spinal MRI revealed lesions extending from T9 to T12 segments, in a "sandwich-like" ...
متن کاملPrimary Pilocytic Astrocytoma with Malign Transformation
Pilocytic astrocytoma is a slow-growing brain tumor that occurs more often in children with a benign course and long clinical history compared to diffuse astrocytomas. Pilocytic astrocytomas may rarely show malignant transformation and radiotherapy plays a key role in the treatment of malignant transformation. In this study, we present a pilocytic astrocytoma case with no radiotherapy history a...
متن کاملUnusual Presentation of Pilocytic Astrocytoma
Pilocytic astrocytoma (PA) is the benign variant of astrocytic tumours. Pilocytic(Greek word Pilos=hair) refers to frequent presence of cells with bipolar hairlike processes. Pilocytic tumours are juvenile astrocytomas commonly presenting during first two decades of life with a lowered occurrence in adults. Cerebellum is the favoured site. Spinal cord is the rare site of presentation. We report...
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ژورنال
عنوان ژورنال: Neuropathology
سال: 2019
ISSN: 0919-6544,1440-1789
DOI: 10.1111/neup.12587