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Case Report: Floating fat globule within an arachnoid cyst

By Jayanand Sudhir, Chittur Viswanathan Gopalakrishnan, Sathia Prabhu and Swati Chinchure

Abstract

Intralesional floating fat globules have been reported in cystic lesions such as teratoma of the ovary and dermoid of the head and neck but not within intracranial lesions. Fat globules dispersed within the subarachnoid space are a known imaging finding of ruptured intracranial dermoid. We report a unique case of an intralesional solitary floating fat globule within a multicompartmental arachnoid cyst, with varying locations on serial imaging. We also put forward a hypothesis for the pathogenesis of fat within an arachnoid cyst. To the best of our knowledge, this is the first such report in the literature

Topics: Neuroradiology
Publisher: Medknow Publications
OAI identifier: oai:pubmedcentral.nih.gov:3190498
Provided by: PubMed Central
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