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Updated: Jun 13, 2026

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma
Published on: January 22, 2022
Rare case of perplexing ovarian endometriosis
Johannes L van der Merwe1, Igno Siebert, Abraham C van Wyk
1Department of Obstetrics and Gynaecology, Tygerberg Hospital and Stellenbosch University, Tygerberg, South Africa. drhvdm@gmail.com
Objective:
To document a rare case of coexisting endometriosis and mature cystic teratoma in the same ovary.
Design:
Case report.
Setting:
Gynecology unit in a tertiary training and teaching hospital in Cape Town, South Africa.
Patient(S):
A 30-year-old healthy nulligravida woman with a large ovarian tumor.
Intervention(S):
After a basic examination, a diagnostic and management laparotomy was performed. A unilateral oophorectomy and staging laparotomy were performed.
Main Outcome Measure(S):
Final diagnosis of a complex ovarian tumor.
Result(S):
Histologic analysis confirmed endometriosis of the pelvis and concomitant compound pathology in the right ovary, which included endometriosis, mature teratoma, and mucinous cystadenoma.
Conclusion(S):
Co-existence of varied pathology in a single organ presents a challenge to the pathologist and the clinician. Accurate clinical (i.e., surgical) assessment and decisive histologic verification forms a critical part in this process. This case of coexisting endometriosis and teratoma in a single ovary is, to our knowledge, only the third case reported in literature.
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