article 2016 Umbilical Skin Endometriosis: Treatment, Reconstruction, and Differential Diagnosis Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] ·doi:10.1097/dss.0000000000000940 A case of treatment of umbilical skin endometriosis is presented. Umbilical reconstruction has been realized with a modified purse stringe suture.