Lipomas of the frontal lobe.

An extremely rare case of lipomas on the cerebral surface in a 65-year-old female is reported. The tumors were located both in an unusual fissure of the right frontal convexity and under the right frontal lobe associated with and surrounded by areas of focal cortical dysplasia. Angiograms revealed dilated branches of the right anterior cerebral artery associated with angiomatous tumor blushes. The etiology of the combination of the lipomas and the anomalies, and the angiographic features, are briefly discussed.