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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282XOn-line version ISSN 1678-4227

Abstract

TELLA JR, Oswaldo Ignácio de et al. Malignant transformation of pleomorphic xanthoastrocytoma: case report. Arq. Neuro-Psiquiatr. [online]. 2003, vol.61, n.1, pp.104-106. ISSN 0004-282X.  http://dx.doi.org/10.1590/S0004-282X2003000100020.

We report a case of a pleomorphic xantoastrocytoma which manifested itself as a cystic isodense lesion in the right fronto-temporal lobe in a 26 year-old woman. It appeared as a soft yellow tumor with cystic cavities on surgery. Five months after this surgery, the patient was submitted to a new operation, which revealed a friable tumor, easily differentiated from the normal parenchyma, with cystic components. The histopathological examination demonstrated pleomorphic xanthoastrocytoma with malignant transformation. Histologically, the tumor at first procedure was composed of pleomorphic astrocytes with multinucleated and foamy cells. A rare case of malignant transformation in pleomorphic xanthoastrocytoma is presented, discussed and illustrated in this paper.

Keywords : xanthoastrocytoma; astrocytoma; tumor; histopathology.

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