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Article
March 1973

Subungual Exostoses

Author Affiliations

White Plains, NY; New York City

From New York University Medical Center, New York.

Arch Dermatol. 1973;107(3):431-432. doi:10.1001/archderm.1973.01620180081026
Abstract

A subungual exostosis is a bony growth that pushes up the nail plate. This collision between the nail plate and the expanding exostosis is a painful one. Subungual exostoses often appear during adolescence and usually affect the hallux. Differential diagnoses of subungual growths include subungual exostosis, subungual verruca, granuloma pyogenicum, glomus tumor, and melanotic whitlow. Little attention has been paid to subungual exostoses in recent years. Seven cases are described.

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