Colon & Rectal Surgery

Rectal Cancer

Delta Medix Patient General Information

Abdominoperineal Resection (APR)

The colon, sometimes referred to as the large intestine, has six sections. It begins after the small intestine ends, and is divided into the cecum, ascending colon, transverse colon, descending colon, the sigmoid colon, and the rectum. The anus is not part of the colon and is where the colon ends and the stool is evacuated from the body. Removal of one or more sections of the colon may be required due to a disease process, tumor, or mass. In certain operations, after the diseased part of the colon is removed, the remaining ends are sewn together.

In an APR, the proximal end of bowel will come out through the abdominal wall through a small hole in the skin called a stoma. The section of colon coming out of the stoma is referred to as a colostomy. A colostomy requires a drainage bag to be applied over it. While certain colostomy procedures can be reversed and the bowel can be reconnected, this is not possible following an APR procedure because the anus has been removed as well.

An abdominoperineal resection (APR) pertains to the removal of most or all the rectum and anus and is done in an attempt to cure or locally control cancer of the rectum.

When this surgery is performed for cancer, it is often necessary to remove some of the surrounding lymph nodes in that area. Lymph nodes are small glands that filter bacteria, infections and cancer cells out of the blood stream. After removal, the lymph nodes are examined microscopically to see if any of the cancer has spread.

A bowel prep is necessary to clean out the entire colon, minimize the chance of infection and safely perform the surgery.