title: True ectopic ovary: a case and review.
abstract: BACKGROUND
  Ectopic ovarian tissue is a rare gynecologic problem. The nomenclature and classification systems are unclear and still debated.
  
  
  METHODS
  Herein we provide a case report and review the literature to help clarify the classification system of ectopic ovarian tissue.
authors.affiliation: Department of General and Vascular Surgery, Gundersen Lutheran Medical Center, 1836 South Avenue, La Crosse, Wisconsin, WI 54601, USA.
authors.forename: Brian P
authors.initials: BP
authors.lastname: Watkins
authors.forename: Shanu N
authors.initials: SN
authors.lastname: Kothari
mesh_terms: D000328:Adult; D002828:Choristoma / Q000145:classification / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005187:Fallopian Tubes; D005260:Female; D005831:Genital Diseases, Female / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D010053:Ovary