keratoderma palmare et plantare

palmoplantar keratoderma, keratoderma palmoplantare, keratoderma of palms and soles a group of mostly inherited disorders characterized by excessive formation of keratin on the palms and soles; this may be localized or diffuse, and sometimes painful lesions result from fissuring of the skin. The condition may occur alone or may accompany or be part of another disorder. Called also palmoplantar hyperkeratosis or keratosis and hyperkeratosis or keratosis palmaris et plantaris. See also diffuse palmoplantar, acquired palmoplantar, and hereditary palmoplantar k.