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December 1956

Cutaneous Meningioma (Psammoma): Report of a Case

Author Affiliations

Edmonton, Alta., Canada

From the Department of Pathology, University of Alberta.

AMA Arch Derm. 1956;74(6):590-594. doi:10.1001/archderm.1956.01550120010002

The meningioma is common among intracranial tumors and constitutes about one-quarter of intraspinal neoplasms. Although approximately 25% of intracranial meningiomas invade the contiguous skull, producing hyperostosis, extension through the cranium into the soft tissues is unusual. It is only with extreme rarity that the meningioma gives rise to metastases.* Rare ectopic meningiomas have been reported in various sites, including orbit,3 glabella and bridge of nose,4 and frontal and maxillary paranasal sinuses.†

Meningiomas arising in the skin and subcutis are extremely rare. The first case was described by Winkler6 in 1904. The patient, a 10-year-old girl, presented three raised, localized dermal and subcutaneous nodules located paraspinally at the levels of D4-D5, D7-D8 and over the right kidney. In two instances the overlying skin was adherent, atrophic, and grayish-red, with central depression. The skin over the lowermost tumor exhibited hypertrichosis peripherally. In the subcutis

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