[Keratoses with granular degeneration and their relations to each other. II. Heterophenotypic expression of hyperkeratosis (erythrodermia congenitalis ichthyosiformis bullosa), naevus hystricoides and Vörner keratosis palmoplantaris cum degeneratione granulosa].

By means of a patient suffering from epidermolytic hyperkeratosis, epidermolytic hereditary palmoplantar keratoderma VORNER and epidermolytic hystric nevus the relations of this keratinization disorders are shown. The different clinical symptoms in several patients are probable caused by pleiotropy.