Answer:D.
Solitary rectal ulcer syndrome (SRUS) is a chronic benign condition that is most prevalent in women under the age of 40. Patients often report a history of difficult defecation and digital rectal manipulation is not uncommon. The ulcers may be single or multiple and are usually located on the anterior rectal wall, within 10 cm of the anal verge. Fibrosis of the lamina propria with thickening of the muscularis mucosal fibers is the characteristic pathologic finding, although distortion of crypt architecture and thickening of the muscularis propria may sometimes be present. Rectopexy to prevent intussusception and prolapse is the most common surgical procedure performed for this condition
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