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Year : 2014  |  Volume : 10  |  Issue : 8  |  Page : 281-286

Submucosal tunneling endoscopic resection for the treatment of rectal submucosal tumors originating from the muscular propria layer

Endoscopy Center and Endoscopy Research Institute, Endoscopy Center, Zhongshan Hospital, Fudan University, Shanghai 200032, China

Correspondence Address:
Mei-Dong Xu
Endoscopy Center, Zhongshan Hospital of Fudan University, 180 Fenglin Road, Shanghai 200032
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-1482.151533

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Objective: The objective was to evaluate the clinical value of submucosal tunneling endoscopic resection (STER) for the treatment of submucosal tumors (SMTs) originating from the muscular propria (MP) in the rectum. Patients and Methods: The clinicopathological data of 12 cases with rectal SMTs originating from the MP layer performed STER in our center from January 2012 to June 2014 were analyzed retrospectively. Results: Three males and nine females (M/F, 1/3) were studied in this series. The median age of the patients was 53.5 (range, 41-84) years. The tumors located 5-10 cm from the anal verge. En bloc STER was performed successfully in all of the 12 cases. The median size of resected specimens was 1.4 cm (range 1.0-3.0 cm). The median procedure time was 49.5 min (range 40-70 min). Three patients developed low fever after the operation and were all recovered after receiving intravenous antibiotics. One of these three cases developed mucosa perforation, which was closed immediately with metal clips. One patient developed subcutaneous emphysema in one lower limb, which disappeared with conservative treatments 2 weeks after the STER procedure. The median hospital stays were 3.1 (range 2-8) days. Postoperative pathological outcomes revealed schwannoma in 3 cases, leiomyoma in 2 cases, stromal tumor in 5 cases, and proliferation of collagen fibers nodular degeneration in 2 cases. No lesion residual or recurrence was found during postoperative follow-up of 4-33 months. Conclusion: STER is a feasible, safe, and effective method for treating SMTs originating from the MP layer in the rectum.

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