PMC4294634_01
The lesion of tubal stump pregnancy appears in the fallopian tube at the left side of uterus.
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However, the level of human chorionic gonadotropin (hCG) in the patient's blood was elevated to 8,900 mIU/mL, and a gestational sac-like mass was found outside of the uterus by echography (Fig. 1).
The laparoscopic finding of the ectopic part at the right tubal stump of the uterus.
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The operative findings revealed a mass in the right tubal stump (Fig. 2), and we diagnosed it as tubal stump pregnancy.
The wound after resection of the ectopic part is sutured with VICRYL, with only a small amount of bleeding.
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The ectopic part was removed with an advanced bipolar sealing device, LigaSure  (Covidien, Manhattan), and the operative wound was sutured with absorbable VICRYL  (Ethicon, New Jersey) for uterine wall repair (Fig. 3).
Nonvisibility of the chorionic villi macroscopically in the removed lesion.
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We were not able to find any chorionic villi macroscopically (Fig. 4), but pathological findings revealed chorionic villi around the removed tubal stump, confirming the diagnosis of tubal stump pregnancy (Fig. 5).