title: Case report: MR imaging features of endometriosis at the umbilicus.
abstract: The radiological features of extrapelvic endometriosis at the umbilicus with large ovarian endometriomas are described. In this patient, the umbilical lesion appears as hypointense on T(1) weighted and T(2) weighted MR images. The MR characteristics of endometriosis at the umbilicus are compared with those found within the pelvis.
authors.affiliation: Department of Radiology, The Royal Free Hospital, Pond Street, Hampstead, London NW3 2QG, UK.
authors.forename: C M
authors.initials: CM
authors.lastname: Hartigan
authors.forename: B J
authors.initials: BJ
authors.lastname: Holloway
mesh_terms: D000328:Adult; D004715:Endometriosis / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D010048:Ovarian Cysts / Q000473:pathology / Q000601:surgery; D010049:Ovarian Diseases / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D016896:Treatment Outcome; D014472:Umbilicus / Q000601:surgery