title: [Primary endometriosis: a differential diagnosis with the umbilical nodular lesions].
abstract: The onset of umbilical nodules with no previous abdominal surgeries or known endometriosis in other locations characterizes primary umbilical endometriosis. We present a 43-year-old woman with a painful umbilical nodule for several months. We report this case to emphasize the importance of the differential diagnosis of umbilical nodules, especially in women during the reproductive period.
authors.affiliation: Complejo Hospitalario Universitario Ferrol, Área Sanitaria de Ferrol, SERGAS, Ferrol, A Coruña.
authors.forename: Alejandro
authors.initials: A
authors.lastname: Vilas Sueiro
authors.forename: Benigno
authors.initials: B
authors.lastname: Monteagudo
authors.forename: Óscar
authors.initials: Ó
authors.lastname: Suárez Amor
authors.forename: Laura
authors.initials: L
authors.lastname: Rodríguez Pazos
authors.forename: Daniel
authors.initials: D
authors.lastname: González Vilas
authors.forename: Javier
authors.initials: J
authors.lastname: Pérez Valcárcel
authors.forename: Christina
authors.initials: C
authors.lastname: de las Heras
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000473:pathology*; D005260:Female; D006801:Humans; D014472:Umbilicus / Q000473:pathology*