title: Pathologic quiz case: an unusual umbilical mass.
authors.affiliation: Services d'Anatomie Pathologique, Hôpital de la Pitié Salpetrière, Paris, France.
authors.forename: Camilo
authors.initials: C
authors.lastname: Adem
authors.forename: Marc
authors.initials: M
authors.lastname: Schneider
authors.forename: Catherine
authors.initials: C
authors.lastname: Hoang
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis* / Q000556:secondary*; D018254:Adenomatoid Tumor / Q000175:diagnosis*; D000328:Adult; D005834:Genital Neoplasms, Male / Q000473:pathology*; D006801:Humans; D008297:Male; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000556:secondary*; D014472:Umbilicus / Q000473:pathology*