Anterior-entry Abdominoperineal Resection: A Variation in the Method of Perineal Dissection

BackgroundFor patients with rectal cancer, there is a greater risk of a positive radial margin or local tumor recurrence when an abdominoperineal versus low anterior resection is performed, or when tumors are in an anterior versus nonanterior location. In response, clinical leaders have encouraged perineal dissection in the prone position or in concert with a coccygectomy. We describe anterior-entry abdominoperineal resection, which may …