Endometriosis as a cause for pelvic pain is quite common in women of c
hild-bearing age. However, colonic and rectal involvement is relativel
y rare and may have a wide array of clinical symptomatology and radiog
raphic findings. We recently treated a patient who presented with cons
tipation and bloating. She was found to have an extrinsic mass compres
sing the rectosigmoid junction. Subsequent diagnostic laparoscopy reve
aled a large lesion involving the sigmoid colon, and resection with pr
imary anastomosis was performed using the laparoscope, Final pathology
revealed benign endometrioma. The patient did well, was discharged on
postoperative Day 3, and has had no further complaints. As this case
shows, laparoscopy can be beneficial in both the diagnosis and treatme
nt of patients with intestinal endometriosis.