Endometriosis usually occurs in women of childbearing age. Deep pelvic endometriosis can infiltrate the intestinal wall, with up to 93% of reported cases involving the rectum and sigmoid colon. 1,2 Patients may be asymptomatic or may present with dysmenorrhea, hematochezia, lower abdominal pain, constipation, diarrhea, tenesmus, and even bowel obstruction.
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