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What is pelvic dissection in endometriosis surgery?

Topic:Surgery
Affected areas:pelvicbowelbladder
An illustration of a woman getting robotic excision surgery.

Pelvic dissection in endometriosis surgery means carefully separating and opening tissue planes in the pelvis so we can clearly see normal anatomy and remove disease safely. Endometriosis can cause inflammation and scarring that “glues” organs together (sometimes called a frozen pelvis), so dissection is often the step where we free adhesions and restore normal relationships between the uterus, ovaries, bowel, bladder, and pelvic sidewalls.


In practical terms, pelvic dissection may include identifying and protecting critical structures like the ureters, bladder, bowel, blood vessels, and pelvic nerves before excising endometriosis at its roots. This is where surgical precision matters: the goal is to fully address disease while minimizing injury to healthy tissue, especially in complex or re-operative cases. If you’re seeing this term on an op note or surgical plan, it usually reflects the complexity of the anatomy and the deliberate work needed to make excision both complete and safe—our team can walk you through exactly what was dissected and why in your specific case.

Get clarity before your surgery

If endometriosis has caused scarring or a “frozen pelvis,” pelvic dissection is how we safely free adhesions and restore anatomy. Our specialists can explain what that means for your case and how we protect structures like the ureters, bladder, and bowel.

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Dr. Steven Vasilev delivers best-in-class endometriosis guidance and a personalized treatment plan—built on evidence and your unique biology.


Led by Steven Vasilev, MD—an internationally recognized endometriosis specialist & MIGS surgeon—Lotus Endometriosis Institute is virtual-forward, with many patients traveling nationally for care. Clinical evaluation and surgical treatment are provided in California.

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8:00 am - 5:00 pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420