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Article
July 1974

Congenital, Painful, Aberrant Hyponychium

Author Affiliations

USA; USA; San Francisco

From the Dermatology Service, Department of Medicine, Letterman Army Medical Center, Presidio of San Francisco (Drs. Odom and Stein); and Department of Dermatology, University of California San Francisco Medical Center (Dr. Mai bach).

Arch Dermatol. 1974;110(1):89-90. doi:10.1001/archderm.1974.01630070057013
Abstract

In each of two women, congenital aberrant hyponychia anchored to the ventral surface of the distal nail plates appeared to be the cause of paroxysmal digital pain and oblique, deep fractures of the nails.

It is postulated that the aberrant hyponychia indicate an anomaly of the developing fetal nail primordia and are analogous to the claw of lower primates.

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