Pericallosal nodular lipoma

Case contributed by Dr Ian Bickle

Presentation

Young patient undergoing work up for newly diagnosed epilepsy.

Patient Data

Age: 27
Gender: Male
Modality: MRI

Large lobulated nodular non-enhancing mass in the pericallosal area, with extension into the third and left lateral ventricle. Small amount of SWI susceptibility at the periphery of the mass.

The mass follows fat signal on all sequences with avid fat saturation.

Modality: Annotated image

This single set of selected images demonstrates the lesion to be composed of fat.

The fat suppressed T1 sequences shows the extent of the fatty mass.

Case Discussion

Pericallosal lipoma is a fat containing lesion occurring in the interhemispheric fissure closely related to the corpus callosum. It is the most common location for an intracranial lipoma

Pericallosal lipomas can be divded into two types on the basis of cross sectional imaging studies- tubulonodular or curvilinear.

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Case Information

rID: 31235
Case created: 25th Sep 2014
Last edited: 11th May 2017
Inclusion in quiz mode: Included

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