title: [A buttock lesion present for one year].
authors.affiliation: Service de dermatologie, université Paris-12, hôpital Henri-Mondor, AP-HP, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil cedex, France. elisa_bassi@yahoo.it
authors.forename: E
authors.initials: E
authors.lastname: Bassi
authors.forename: A
authors.initials: A
authors.lastname: Carbonnelle
authors.forename: M
authors.initials: M
authors.lastname: Bagot