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Article
December 1973

Painful Callus of the Thumb Due to Phalangeal Exostosis

Author Affiliations

Philadelphia

From the Department of Dermatology, School of Medicine, University of Pennsylvania, Philadelphia.

Arch Dermatol. 1973;108(6):826-827. doi:10.1001/archderm.1973.01620270048012
Abstract

A 26-year-old white man had a painful callus of the lateral area of the right thumb, which was associated with a phalangeal exostosis. This rarely reported entity on the hand probably represents an osteocartilaginous outgrowth from the underlying bone.

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