P17.74MONOFOCAL LESION OF DEMYELINATING DISEASE AND DIFFERENTIAL DIAGNOSIS WITH HIGH GRADE GLIOMA - CASE REPORT

INTRODUCTION: Pseudoneoplasms of the nervous system are potential to mislead. Clinical, neuroimaging and histologic features are readily misinterpreted in degenerative disease tumor-like lesion. CASE REPORT: A 33 years-old woman was admitted to our observation with an history of intacranial hyperten...

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Published in:Neuro-oncology (Charlottesville, Va.) Va.), 2014-09, Vol.16 (Suppl 2), p.ii105-ii105
Main Authors: Romeo, F., Maddalena, G., Conserva, V., Fumai, V., Fiorentino, L., Alloro, E., Toscano, S., D'Agostino, A.
Format: Article
Language:English
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Summary:INTRODUCTION: Pseudoneoplasms of the nervous system are potential to mislead. Clinical, neuroimaging and histologic features are readily misinterpreted in degenerative disease tumor-like lesion. CASE REPORT: A 33 years-old woman was admitted to our observation with an history of intacranial hypertension syndrome and acute left hemiparesis. CT and MR imaging revealed a right frontal ring enhanced lesion with mass effect, suggestive for high grade glioma. Surgical treatment was performed: craniotomy and extensive resection of the lesion. The post-operative course was uneventful, associated to normal neurological status. Pathological examination was a surprise: “tumefactive demyelinating disease” (mixture of macrophages and reactive astrocytes, perivascular lymphocytes). CONCLUSIONS: Multiple sclerosis disease may show a variety of clinical and radiological presentations. Monofocal demyelinating lesion is atypical appearance simulating brain tumor. The knowledge of this diagnostic pitfall is essential to avoid mismanagement.
ISSN:1522-8517
1523-5866
DOI:10.1093/neuonc/nou174.403