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Arch Surg. 1941;42(2):371-378. doi:10.1001/archsurg.1941.01210080171009.
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In their admirable and fundamental classification of the meningiomas, Bailey and Bucy1 included one group, the lipomatous meningiomas, which, largely because of their rarity, has received little attention. Frequently symptomless, they are usually accidentally discovered at autopsy. They do not differ morphologically or histologically from the lipomas found outside the central nervous system. In fact, the only reason for including them with the meningiomas appears to be the fact that they probably are derived from the primitive mesenchyme of the head region, which forms the leptomeninx. That they may have a more direct relation to the common meningiomas is suggested by the tumor to be described, which had a gross and histologic similarity to a meningioma and contained intracellular fat, which seemed to be the product of the normal metabolism of the tumor cells.

REPORT OF A CASE  An 8 year old girl was first seen by Dr. Douglas


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