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Abstract
We detected 23 intracranial lipomas using MRI. Among them were nine pericallosal lipomas,
six lipomas at the dorsal surface of the midbrain, and eight in other locations. In
this paper, six lipomas at the dorsal surface of the midbrain were analyzed. Five
of these lipomas were in the quadrigeminal cistern and one in the left-sided quadrigeminal
cistern. Excluding the smallest lipoma, five of the six lipomas had irregular margins
and were broadly based on the surface of the midbrain. In these five cases, deformities
of the brain parenchyma were observed adjacent to the lipomas. A mildly dilated ventricular
system was observed in one of the largest lipomas in a quadrigeminal cistern. Based
on their characteristic shapes and locations, we termed them “dorsal mesencephalic
lipomas.” Thus, the two preferential sites of intracranial lipomas were pericallosal
and dorsal mesencephalic.
Keywords
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Article info
Publication history
Accepted:
July 1,
1992
Received:
June 1,
1992
Identification
Copyright
© 1993 Published by Elsevier Inc.
