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Sung, Shin, Yeon, Lee, and Jeong: Complete hydatidiform mole with a coexistent fetus diagnosed by magnetic resonance imaging
Case Report
Korean Journal of Obstetrics & Gynecology

Korean Journal of Obstetrics & Gynecology 2012; 55(6): 413-418.

Published online: 16 June 2012

DOI: https://doi.org/10.5468/KJOG.2012.55.6.413

Complete hydatidiform mole with a coexistent fetus diagnosed by magnetic resonance imaging

Hye-In Sung, MD1, Young-Ok Shin, MD1, Hyeonkyeong Yeon, MD1, Oh-Young Lee, MD1, Eun-Hwan Jeong, MD1, 2

1Department of Obstetrics and Gynecology, Chungbuk National University Hospital, Cheongju, Korea.

2Medical Research Institute, Chungbuk National University College of Medicine, Cheongju, Korea.

Corresponding author: Eun-Hwan Jeong, MD. Department of Obstetrics and Gynecology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, 52 Naesudong-ro, Heungdeok-gu, Cheongju 361-711, Korea. Tel: +82-43-269-6052, Fax: +82-43-275-7359, jeongmed@chungbuk.ac.kr

Received 23 September 2011       Revised 17 April 2012       Accepted 24 April 2012

Copyright © 2012. Korean Society of Obstetrics and Gynecology

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Hydatidiform mole with coexistent fetus is very rare, arising about 1 in 20,000 to 100,000 pregnancies. There are limited data to guide the management and treatment. Also it is a dilemma to decide continuation or termination of pregnancy. We experienced a case of hydatidiform mole with a coexistent fetus which was diagnosed with magnetic resonance imaging in a woman of 13th weeks of pregnancy. After termination of pregnancy, the patient treated with prophylactic chemotherapy. We report the case with a brief review of literature.

Keywords: Hydatidiform mole, Twin, Magnetic resonance imaging

Figures and Tables

Fig. 1
Transavaginal ultrasound imaging demonstrates multicystic hyperechoic mass (arrow) with coexistent living fetus (arrow head).
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Fig. 2
Magnetic resonance imaging demonstrates normal fetus (thin arrow) of 13 weeks of pregnancy with anterior wall placenta at the right upper portion of uterus, and multiloculated cystic mass (thick arrow) with high signal intensity on T2-weighted image at the left inferior portion of the uterine cavity. (A, B) Sagittal images. (C) Coronal image. (D) Axial image.
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Fig. 3
Serum human chorionic gonadotropin (hCG) level before and after treatment.
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Fig. 4
Microscopic examination shows hydatidiform swelling of the chorionic villi, trophoblastic proliferation, and absence of stroma or blood vessels, which are consistent with complete hydatidiform mole, from molar tissue (A), and normal chorionic villi from coexistent fetus (B) (H&E, ×400).
kjog-55-413-g004

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