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Skin - Nonmelanocytic tumors

Benign nonmelanotic epidermal tumors / tumor-like lesions

Fibroepithelial polyp


Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 25 June 2012, last major update June 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.

General
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● Also called acrochordon, squamous papilloma, skin tag, soft fibroma (fibroma molle)
● Common, non-neoplastic, no clinical significance
● Ages 40+ years
● Usually face, neck, trunk, intertriginous areas
● Associated with diabetes, intestinal polyposis
● Increase during pregnancy
● May be a common endpoint of various processes, including seborrheic keratosis or warts

Gross description
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● Soft, flesh-colored, baglike tumor, attached to skin by slender stalk

Micro description
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● Papillary, fibrovascular cores covered by squamous epithelium
● May have ischemic necrosis due to torsion

Micro images
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Fibroepithelial polyp

Differential diagnosis
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● Accessory tragus: cartilage present

End of Skin - Nonmelanocytic tumors > Benign nonmelanotic epidermal tumors / tumor-like lesions > Fibroepithelial polyp


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