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Subarachnoid fat dissemination after resection of a cerebellopontine angle dysontogenic cyst: case report and review of the literature.

Authors
  • Carvalho, G A
  • Cervio, A
  • Matthies, C
  • Samii, M
Type
Published Article
Journal
Neurosurgery
Publication Date
Sep 01, 2000
Volume
47
Issue
3
Identifiers
PMID: 10981765
Source
Medline
License
Unknown

Abstract

Intracranial subarachnoid dissemination of fat material may occur during the preoperative or postoperative course of dermoid and epidermoid cysts. Aseptic meningitis or other complications such as hydrocephalus, seizures, or cranial nerve deficits also may occur owing to spillage of intracranial cyst contents into the subarachnoid space. MRI can detect the presence of fat drops that may adhere to the surrounding structures or migrate with the cerebrospinal fluid flow. Intracranial disseminated fat particles can remain silent without radiological or neurological change, justifying a wait-and-see approach. During long-term postoperative follow-up, however, regular MRI studies and clinical examinations are necessary to avoid potential complications.

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