Recurrence of Ovarian Dermoid Cysts: A Single Center Experience

Yael Bliman-Tal, Irena Rabinovich, Marina Pekar-Zlotin, Yaakov Melcer, Neta Eisenberg, Noam Smorgick*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Background: Laparoscopic removal of ovarian dermoid cysts has been associated with increased risk for recurrence. Objectives: To investigate the risk factors associated with recurrence of dermoid cysts. Methods: We conducted a retrospective review of all women who underwent cystectomy for ovarian dermoid cysts by lapa-roscopy or laparotomy. At discharge, patients were instructed to undergo a yearly ultrasound exam. A follow-up telephone call was conducted to assess whether an additional surgery for dermoid cysts was required and whether ultrasound recurrence of dermoid cysts was suspected. Results: The study cohort included 102 participants (92 [90.2%] operated by laparoscopy and 10 [9.8%] by laparotomy). The mean follow-up from the index surgery to the interview was 72.1 ± 38.2 months. The rates of recurrent surgery were similar among women who underwent laparoscopic cystectomy compared with laparotomy (5/92 [5.4%] vs. 1/10 [10.0%], respectively; P = 0.5), while the rates of reported ultrasound recurrence were significantly lower in the laparoscopy group compared with the laparotomy group (10/102 [10.9%] vs. 4/10 [40.0%], respectively; P = 0.03). Additional factors including age, cyst diameter, diagnosis of torsion, intraoperative cyst spillage, estimated blood loss, intraperitoneal adhesions, and postoperative fever were not associated with recurrence. Conclusions: Ultrasound recurrence of dermoid cysts is not uncommon and could be associated with the surgical approach.

Original languageEnglish
Pages (from-to)520-523
Number of pages4
JournalIsrael Medical Association Journal
Issue number8
StatePublished - 1 Aug 2022


  • benign mature cystic teratoma
  • cystectomy
  • laparoscopy
  • laparotomy
  • ovarian dermoid cyst


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