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MedPix® Medical Image DatabaseDisease Topic 2249
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Contributor: Eric N. Kinn
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More Like This ? Lipoma
Factoid 2249 - Created: 2001-06-20 23:09:47-04 - Modified: 2001-09-27 10:34:58-04
ACR Codes: 1.3
Neoplasm Name:
Intracranial Lipoma
Synonyms:

Cell of Origin:
Mesenchymal neural crest derivative
WHO Grade(s):

Genetics and Associations:
May be associated with corpus callosal dysgenesis
Demographics (Age, Sex, Incidence):
Any age; Male = Female
Common Locations:
Midline 80 to 95% with 50 percent occuring pericallosal
Gross Appearance:
Yellow fatty deposits occurring in two morphologies. Tubulonodular are bulky round cylindrical masses. Curvilinear lipomas are thin, posteriorly situated lesions that curve around the splenium.
Radiology:
Plain films : low density midline mass with "comma-shaped" calcium
CT: fat density mass +/- Ca2+
MR: hyperintense on T1 and hypo- on T2 sequences
Histology:

Special Stains:

Prognosis and Treatment:
Intracranial lipomas are often asymptomatic and discovered incidentally. Seizures, headaches, and behavioral disturbances are common but usually related to associated anomalies such as corpus callosum dysgenesis
COMMENTS:See Factoid #1111, also.
Reference(s):
Diagnostic Neuroradiology.
Anne Osborn. 1994. Mosby.
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Location:
Brain and Neuro 		Sublocation:
none selected 		Category:
Neoplasm, benign
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Written by: Eric N. Kinn
Prepared by: Eric N Kinn
Affiliation: Naval Medical Center San Diego - || - Author Profile
Approved by: James G. Smirniotopoulos, M.D.
Affiliation: Uniformed Services University - || - Editor Profile
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