• Seung-Woo Yang, Sang-Hee Yoon, Jin-Sung Yuk, Kyoung-Chul Chun, Myeong Ja Jeong, and Myounghwan Kim.
• Department of Obstetrics and Gynecology, Sanggye Paik Hospital, School of Medicine, Inje University, Seoul, Republic of South Korea.
• Medicine (Baltimore). 2022 Dec 23; 101 (51): e32221e32221.

BackgroundWe describe a case of a rupture-mediated large uterine defect, which occurred on the 30th gestation week presenting a protruding amniotic sac sac without fetal compromise after a laparoscopic electromyolysis.Case PresentationA 28-year-old woman in her 30th week of gestation (gravida 2, para 0) presented with whole abdominal and right lower quadrant pain at Sanggye Paik Hospital. Ultrasound examination showed normal amniotic fluid and placentation but with breech presentation. She had undergone laparoscopic right ovarian cystectomy due to endometriosis 5 years earlier. Cardiotocography revealed an intermittent variable deceleration and no uterine contraction. Magnetic resonance imaging ruled out acute appendicitis. Four hours later, we observed a protrusion of the amniotic sac with the fetal head through a large uterine defect on magnetic resonance imaging, and performed emergency cesarean section. A boy was delivered without fetal compromise. During the cesarean section, multiple myometric wall defects and thinning were identified. After reconstruction of the uterine wall, the flaccid uterus bled persistently; thus, a cesarean hysterectomy was performed. Packed red cells and frozen plasma were transfused. The mother and neonate had uneventful puerperal and neonatal courses, respectively. After cesarean hysterectomy, we were informed that the mother had undergone a combined laparoscopic electromyolysis during the laparoscopic right ovarian cystectomy. Three years later, the child showed normal neural development.ConclusionsBefore myomectomy or electromyolysis, patients should be informed of the possibility of uterine rupture during subsequent pregnancies. If a pregnant woman has abdominal pain, clinicians should take a detailed history of uterine surgery and consider uterine rupture. Although, fortunately, the outcomes in this case were uneventful, urgent delivery is required when uterine rupture is diagnosed.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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