A woman undergoes linear salpingostomy for a 2 cm unruptured ampullary ectopic. Which complication specific to this operation necessitates serial beta-hCG follow-up that is not required to the same degree after salpingectomy?
- A Ureteric injury
- B Persistent trophoblastic tissue in the residual tube ✓
- C Premature ovarian failure
- D Asherman syndrome
Correct answer: B. Persistent trophoblastic tissue in the residual tube
Explanation
Salpingostomy removes the gestational sac but leaves trophoblast potentially behind in the tube, causing persistent ectopic in roughly 5 to 20 percent of cases. Weekly beta-hCG until nondetectable is therefore mandatory after salpingostomy. Salpingectomy removes the entire tube with its trophoblast, so this complication is far less likely. Ureteric injury, ovarian failure, and Asherman syndrome are not recognised complications of salpingostomy.
Reference: Novak's Gynecology, 16th ed.
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