• Junnosuke Hayasaka, Shu Hoteya, Yorinari Ochiai, Satoshi Yamashita, Akira Matsui, Yutaka Takazawa, and Daisuke Kikuchi.
• Department of Gastroenterology, Toranomon Hospital, Japan.
• Intern. Med. 2022 Jan 1; 61 (21): 321132153211-3215.

AbstractMucosal prolapse syndrome (MPS) is a benign inflammatory disease of the rectum that causes bloody stool. Endoscopic treatment for MPS has not been established. We herein report a consecutive case series of endoscopic submucosal dissection (ESD) for MPS. There were four cases treated with ESD alone. All lesions were on the dentate line, and all were polypoid. The median procedure time was 77 minutes. No complications were observed. The median observation period was 1,108 days, and bloody stool and endoscopic recurrence of MPS were not observed.ESD for polypoid-type MPS was an effective treatment for improving bloody stool and suppressing endoscopic recurrence.

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