Excision Surgery (for Endometriosis)

By RRM Academy Reviewed by Dr. Naomi Whittaker, MD, Board-Certified OBGYN, MIGS, NFPMC, FCI Updated July 26, 2026

Excision surgery is the complete surgical removal of endometriotic tissue by cutting it out at the margins, including lesion depth, rather than only destroying the surface. The operating surgeon resects each lesion from surrounding tissue under direct visualization, removing the disease in full. This stands in contrast to ablation and fulguration, which destroy only the visible surface while leaving deeper implants intact.

A meta-analysis of randomized controlled trials found significantly greater reductions in dysmenorrhea, dyschezia, and chronic pelvic pain with excision than with ablation at 12 months.¹ In a crowd-sourced retrospective survey, respondents who had undergone both procedures reported that excision improved every symptom domain assessed, by 28% to 46%.² The same respondents reported only marginal improvement in period pain (11.3%) and heavy bleeding (8.5%) after ablation, with worsening in 23 of 24 quality-of-life measures.² For ovarian endometrioma specifically, excisional surgery produces superior outcomes compared to ablative approaches, with lower recurrence rates.³

Excision also serves the reconstructive goal. Thorough disease removal reduces inflammatory burden, which has downstream effects on pelvic anatomy, tubal function, and implantation environment. The surgical approach typically pairs lesion excision with careful attention to adhesion prevention, preserving pelvic architecture rather than simply reducing visible disease.

For couples pursuing fertility after endometriosis surgery, the completeness of excision matters. Disease left behind continues to progress. The surgical goal is to treat the anatomy, not mask the condition.

This content is for educational purposes only and does not constitute medical advice. Consult an RRM clinician or healthcare provider for guidance specific to your situation.