Radiation-induced anaplastic ependymoma mimicking a skull base meningioma: A case report.

Abstract:

:The present study describes the case of a 63-year-old woman presenting with headache, dizziness and vomiting due to a an ovoid mass in the left pre-bulbar cistern, apparently arising from the lower clivus and the foramen magnum. The clinical history revealed the subtotal removal of a right cerebellar low-grade glioma 15 years previously and subsequent conventional 60-Gy radiotherapy. Notably, following gross total resection, histopathological examination showed microscopic features that resulted in a diagnosis of anaplastic ependymoma. The patient underwent surgery to remove the mass and post-operative chemotherapy with temozolomide. A progressive improvement of neurological signs and symptoms was observed during the postoperative course. At the 6-month follow-up, the patient was free from clinical and radiological recurrence. The unusual features of this rare secondary brain tumor were the extrassial location in the posterior fossa, the unusual age-associated location of the histological subtype and the fact that it closely mimicked a skull-base meningioma.

journal_name

Exp Ther Med

authors

Spallone A,Marchione P,DI Capua M,Belvisi D

doi

10.3892/etm.2015.2945

subject

Has Abstract

pub_date

2016-02-01 00:00:00

pages

455-457

issue

2

eissn

1792-0981

issn

1792-1015

pii

ETM-0-0-2945

journal_volume

11

pub_type

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