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Journal of Neuro-Oncology

, 94:275

First Online: 17 March 2009Received: 10 September 2008Accepted: 23 February 2009

Abstract

Primary leptomeningeal oligodendrogliomas PLOs are rare intracranial malignancies where tumors grow in the subarachnoid space without an obvious connection to the brain or spinal cord parenchyma. Adding to the three previously reported cases of PLO with no parenchymal involvement we report a fourth case of the same in this paper in a 50-year-old woman presenting with unrelenting headaches. CT scan of her head revealed hydrocephalus and MRI revealed diffuse enhancement of her leptomeninges throughout her brain and spine, prominent over the basilar region. Biopsy obtained using a frameless stereotactic biopsy showed sharply defined cell borders, clear cytoplasm, and rounded nuclei consistent with an oligodendroglioma. Our case suggests that PLO can mimic diffuse forms of granulomatous meningitis and should be suspected in patients that clinically and radiographically present like granulomatous meningitis but without blood or CSF markers for the same.

KeywordsOligodendroglioma Primary leptomeningeal Glioma Basilar meningitis  Download fulltext PDF



Autor: Marlon S. Mathews - Laura S. Paré - Jeffery V. Kuo - Ronald C. Kim

Fuente: https://link.springer.com/



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