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Fourth ventricle meningiomas: a rare entity.

Authors
  • Pichierri, Angelo
  • Ruggeri, Andrea
  • Morselli, Carlotta
  • Delfini, Roberto
Type
Published Article
Journal
British Journal of Neurosurgery
Publisher
Informa UK (Taylor & Francis)
Publication Date
Aug 01, 2011
Volume
25
Issue
4
Pages
454–458
Identifiers
DOI: 10.3109/02688697.2011.555019
PMID: 21707237
Source
Medline
License
Unknown

Abstract

Fourth ventricle meningiomas (FVMs) are rare, often misdiagnosed, lesions. To the best of our knowledge, 47 cases have been reported in the literature: we describe our series of three cases treated at our Institution, focusing on some diagnostic tips and intraoperative features of these tumours. Our three patients have a history of headache. Gait disturbances, vomiting and/or diplopia complicated the clinical picture before the referral at our Department. The operations were uneventful, and the patients fully recovered from neurological symptoms. They are free of recurrence at a median follow-up of 19 years. FVMs are rare lesions, which are difficult to differentiate preoperatively from the much more common ependymomas. A preoperative distinction would be extremely advantageous: indeed, although both tumours share similar radiological and clinical patterns, they clearly differ as to surgical difficulty and outcome. In fact, meningiomas are comparatively easier to remove, granting better clinical results.

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