[Nosologic relation of dyskeratosis follicularis (Darier) and pemphigus benignus chronicus familiaris (Hailey-Hailey). Position based on a case report].

After a case report and a review of the literature, we discuss the nosologic position of Darier's disease and benign familial chronic pemphigus (Hailey-Hailey). Although the clinical and histological pictures of these diseases overlap, characteristic clinical features make differentiation possible.