abdominal-perineal resection

abdominal perineal resection

The surgical excision of the lower rectum and anus with the removal of the anal sphincter and placement of a colostomy.

Results
Local control, 60–80%; 60–90% 5-year survival; for larger lesions, radiation therapy and 5-FU and mitomycin are added to the regimen.

abdominal-perineal resection

Surgical oncology The surgical excision of the lower rectum and anus with loss of the anal sphincter and a need for colostomy. See Colostomy.