CNS lipoma
- incidence: <1% of brain tumors
- age: presentation in childhood/adulthood
- associated with agenesis of corpus callosum in 50%
- assymptomatic in 50%
location:
- genu of corpus callosum (25-50%)
- tuber cinerum
- quadrigeminal region
- chiasmatic, interpeduncular, sylvian, CP angle,
and cerebellomedullary cisterns
findings:
- -100 HU on CT
- occasionally calcified rim (esp. in corpus callosum)
- no enhancement
- hyperintense on T1 (characteristic)
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© 2002, C.E. Kahn, Jr.
2002-04-18