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Skin - Nonmelanocytic tumors

Other tumors of skin

Meningioma


Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 18 September 2012, last major update September 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.

General
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● Nodule of scalp or vertebral axis
● May represent erosion of primary CNS lesion through cranial vault or origin from ectopic arachnoid cells in the skin (Arch Pathol Lab Med 2012;136:208)

Case reports
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● 77 year old man (Br J Plast Surg 1998;51:402)

Micro images
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Various images

Positive stains
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● Vimentin (strong), EMA (70%)
● PR (30%, usually women, tumor may grow during pregnancy), focal actin in 20% (Arch Pathol Lab Med 1996;120:267)

Negative stains
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● S100, cytokeratin, CEA, CD31, CD34

End of Skin - Nonmelanocytic tumors > Other tumors of skin > Meningioma


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