Atrophoderma Pasini-Pierini Is a Primary Atrophic Abortive Morphea

Background: There are divergent opinions whether atrophoderma Pasini-Pierini (APP) is a nosologic entity or a primary atrophic morphea. Objective: Since usually single cases are reported without a long-term follow-up the present study was performed in order to elucidate the natural history of the disorder. Methods: We followed a large series of 139 patients, 91 adults and 48 children, for 4–30 years (mean over 10 years). Results: APP was found...