Appendiceal endometrioma mimicking appendiceal neoplasm
Jason Douglas Cox1,2, Agnes P Benjamin2, John Ciciulla3
1Monash University School of Rural Health, 100 Barnard St, Bendigo, VIC 3550, Australia.
Journal of Surgical Case Reports
|November 27, 2025
Summary
Endometriosis of the vermiform appendix, though rare, can mimic appendiceal masses on colonoscopy. This case highlights an appendiceal endometrioma requiring surgical resection.
Area of Science:
- Gastroenterology
- Surgical Pathology
- Gynecologic Oncology
Background:
- Endometriosis of the vermiform appendix is a rare condition.
- It can present as an appendiceal mass, potentially mistaken for other pathologies during colonoscopy.
- Differential diagnoses include appendiceal endometrioma, intussusception, mucinous neoplasms, and neuroendocrine tumors.
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