title: Primary extrauterine ovarian choriocarcinoma mistaken for ectopic pregnancy: sonographic imaging findings.
authors.affiliation: Fletcher Allen Health Care and the University of Vermont College of Medicine, Burlington, VT, USA.
authors.forename: Rachel F
authors.initials: RF
authors.lastname: Gerson
authors.forename: Edward Y
authors.initials: EY
authors.lastname: Lee
authors.forename: Eric
authors.initials: E
authors.lastname: Gorman
mesh_terms: D000328:Adult; D002822:Choriocarcinoma / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000379:methods*