(1) CHA Bundang Medical Center, CHA University, Bundang, Korea
(2) Chonbuk National University Medical School, Jeonju, Korea
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A uterine rupture is serious complication of a subsequent pregnancy that can occur after cornual resection. It is very rare condition and difficult to diagnose, both clinically and sonographically.
We present a rare case of uterine rupture in subsequent third trimester pregnancy diagnosed by ultrasound. A 30-year-old, gravida 1, para 0 woman who had a history of a laparoscopic left cornual resection visited emergency room with lower abdominal pain at a gestational age of 32 weeks and 2 days. On day 2 of the hospitalization, transabdominal ultrasound examination showed a protruding cystic mass over the left cornual area and no free fluid in the cul-de-sac. It strongly suggested uterine rupture with an un-ruptured amniotic sac. An emergency Cesarean section carried out, a male newborn was delivered and uterine rupture at the site of a scar from a prior cornual resection was seen. The edge of the defect was sutured. The patient was hospitalized for 5 days and discharged without further incident.
To the best of our knowledge, this is the first report of the uterine rupture that was precisely diagnosed by US examination prior to surgery occurring at a gestational age of 32 weeks and 2 days for which a normal fetus was successfully delivered by Cesarean section. US could be a useful imaging modality for the accurate diagnosis of the uterine rupture by clearly demonstrating defect of myometrium in some cases.