title: Expansion and contraction of hypomelanotic areas in human piebaldism.
abstract: A case of human piebaldism with white forelock is presented, with emphasis on the unusual aspect of expansion and diminution of the hypomelanotic areas. Possible mechanisms of piebaldism and of changes in the hypomelanotic areas are discussed.
mesh_terms: D005260:Female; D005799:Genes, Dominant; D006801:Humans; D008297:Male; D010375:Pedigree; D010859:Pigmentation Disorders / Q000235:genetics* / Q000473:pathology; D012880:Skin Pigmentation