Knuckle pads, leukonychia, deafness, and keratosis palmoplantaris: report of a family.

A family is described in which knuckle pads, leukonychia, deafness, and keratosis palmoplantaris are present as a syndrome is several members. This is the second such family reported demonstrating that keratosis palmoplantaris is part of the syndrome. Inheritance pattern is probably autosomal dominant.