title: Endometrial carcinoma presenting as hematometra mimicking a large pelvic cyst.
abstract: Large pelvic cysts are commonly seen in gynecologic practice; their heterogeneous origin is reflected in their pleomorphic clinical features. We report the case of a 64-year-old multiparous postmenopausal woman with an unusual manifestation of endometrial adenocarcinoma that presented as hematometra mimicking a large pelvic cyst. In this case, hematometra was well demonstrated by transabdominal sonography, but transvaginal sonography allowed better visualization of the endometrial lining and suggested the correct diagnosis of endometrial cancer. Abnormal vaginal bleeding or hematometra in postmenopausal women should lead to assessment of the endometrial mucosa. Transvaginal sonography can be used to visualize neoplastic lesions in the endometrium when hematometra is detected through transabdominal sonography.
authors.affiliation: Department of Obstetrics and Gynecology, Tainan Municipal Hospital, 670 Chung-Te Road, 701 Tainan, Taiwan.
authors.forename: M P
authors.initials: MP
authors.lastname: Wu
authors.forename: C C
authors.initials: CC
authors.lastname: Wu
authors.forename: F M
authors.initials: FM
authors.lastname: Chang
authors.forename: E Y
authors.initials: EY
authors.lastname: Yen
authors.forename: M F
authors.initials: MF
authors.lastname: Hsieh
authors.forename: M H
authors.initials: MH
authors.lastname: Chao
mesh_terms: D000230:Adenocarcinoma / Q000150:complications / Q000000981:diagnostic imaging*; D000291:Adnexal Diseases / Q000000981:diagnostic imaging*; D003560:Cysts / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D016889:Endometrial Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D019160:Endosonography; D005260:Female; D006409:Hematometra / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D010388:Pelvis / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014621:Vagina / Q000000981:diagnostic imaging