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Case Reports in Obstetrics and Gynecology - Volume 2016 2016, Article ID 7618631, 7 pages -

Case Report

Department of Obstetrics and Gynecology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan

Department of Obstetrics and Gynecology, Iida Municipal Hospital, 438 Yawatamachi, Iida 395-8502, Japan

Received 19 July 2016; Accepted 7 August 2016

Academic Editor: Yoshio Yoshida

Copyright © 2016 Yasushi Yamada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ectopic molar pregnancy is extremely rare, and preoperative diagnosis is difficult. Our literature search found only one report of molar pregnancy diagnosed preoperatively. Moreover, there is no English literature depicting magnetic resonance image MRI findings of ectopic molar pregnancy. We report a case of ectopic molar pregnancy preoperatively diagnosed using MRI. A literature review of 31 cases of ectopic molar pregnancy demonstrated that lesions have been found in the fallopian tube 19 cases, 61%, ovary 5 cases, 16%, cornu 3 cases, 10%, peritoneum 2 cases, 6%, uterine cervix 1 case, 3%, and cesarean scar 1 case, 3%. Abdominal pain and abnormal vaginal bleeding were reported in 70% and 61% of the patients, respectively. Twenty-one cases 67% presented with rupture and hemoperitoneum. All patients underwent surgical resection or dilatation and curettage. Methotrexate therapy was performed in one case because residual trophoblastic tissue was suspected. A second operation was performed in one case of ovarian molar pregnancy because serum hCG levels increased again after primary focal ovarian resection. No patients developed metastatic disease or relapsed. These findings suggest the prognosis of ectopic molar pregnancy to be favorable.

Autor: Yasushi Yamada, Satoshi Ohira, Teruyuki Yamazaki, and Tanri Shiozawa



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