Tehran University of Medical Sciences

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Endoscopic Resection of Polypoid Solitary Rectal Ulcer: A Novel First-Line Therapeutic Strategy Using Snare-Assisted Mucosal and Fibrosis Resection Publisher



Forootan M ; Repici A ; Rajabnia Chenari M ; Karimi MA ; Jahanian A ; Ketabi Moghadam P ; Mohammadi M ; Ghadirzadeh E ; Soudi A ; Paraandavaji E ; Shafiei S ; Reza Zali M ; Tashakoripour M
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Source: DEN Open Published:2026


Abstract

Objectives: To propose a novel first-line endoscopic therapy for treating polypoid lesions in solitary rectal ulcer syndrome (P-SRUS), the rarest and most challenging subtype of SRUS, which encompasses various endoscopic findings including mucosal erythema, superficial or deep ulcers, and polypoid lesions. Methods: A prospective, single-arm study was conducted on 56 patients with histologically confirmed SRUS and broad-based polypoid lesions in the rectum and anal canal. These patients were referred to the Department of Motility Disorders of the Lower Gastrointestinal Tract. The lesions were removed using snare-assisted mucosal and fibrosis resection. Patients were monitored for clinical and endoscopic responses at 1, 3, 6, and 12 months post-treatment. Results: The study observed improvement in clinical symptoms, a complete endoscopic response, and the absence of late complications following endoscopic resection. Endoscopic evaluations revealed no recurrence of lesions in the follow-up period. Conclusion: Endoscopic resection using the snare-assisted mucosal and fibrosis resection method appears to be an effective and safe treatment option for polypoid SRUS. (Clinical Trial Registration Number: IRCT20211101052935N2). © 2025 Elsevier B.V., All rights reserved.
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