[Idiopathic atrophoderma of Pasini and Pierini. Study of 4 cases].

Idiopathic atrophoderma of Pasini and Pierini (IAPP) is an infrequent form of cutaneous atrophy, of unknown etiology. We describe the clinical and histological symptoms of four women with IAPP. Three of them had lesions on the back, while the fourth had them on the buttocks.