Abdominosacral resection for midrectal cancer

Area of Science:

• Surgical Oncology
• Gastroenterology
• Colorectal Surgery

Background:

• Midrectal cancers often pose challenges for standard anterior resection.
• Radical sphincter-saving surgery is crucial for maintaining quality of life in rectal cancer patients.

Purpose of the Study:

• To evaluate the efficacy and safety of abdominosacral resection for midrectal cancers.
• To assess the impact of this technique on sphincter preservation and oncological outcomes.

Main Methods:

• Abdominosacral resection involves a posterior incision for wide tumor resection and anastomosis.
• The technique allows mobilization of the rectum to the pelvic floor without disrupting sphincters.
• Utilized mechanical retractors and end-to-end staplers to facilitate the procedure.

Main Results:

• Sphincter function was consistently preserved in patients undergoing abdominosacral resection.
• Mortality rates were comparable to other radical rectal resections.
• Sphincter-saving resection was achieved in 79% of 926 consecutive rectal cancer patients.
• Abdominosacral resection extended the feasibility of sphincter-saving surgery beyond abdominal approaches alone.

Conclusions:

• Abdominosacral resection is a reliable sphincter-saving operation for midrectal cancers.
• The procedure offers excellent exposure, preserves sphincter function, and achieves oncological safety.
• It expands the possibilities for sphincter-saving surgery without increasing cancer recurrence or mortality risk.