title: Keratosis punctata of the palmar creases.
abstract: We determined the prevalence of keratosis punctata of the palmar creases in 534 individuals. The group screened included patients, visitors, and staff in clinics and in a private office setting. The seven cases discovered were all found in black patients, representing 3.1% of this racial group. No relationship to arsenical agents, syphilis, or genetic factors could be ascertained by history.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007645:Keratoderma, Palmoplantar / Q000453:epidemiology* / Q000235:genetics / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009518:New York; D012867:Skin / Q000473:pathology; D001741:Black or African American