Abstract

Objective: Synchronous multiple primary early esophageal cancers (SMPEEC) are rare and aggressive. Early detection of esophageal cancer can improve survival rate. Endoscopic submucosal dissection (ESD) is a minimally invasive endoscopic treatment of early esophageal cancers. However, ESD for SMPEEC is little known. We aimed to clarify the clinical outcomes of simultaneous ESD treating SMPEEC. Methods: We retrospectively reviewed the medical data of 34 patients, who underwent ESD for SMPEEC at Endoscopy Center of Zhongshan Hospital, Fudan University, between May 2013 and December 2014. The data of lesion size, histopathology, en bloc resection, curative resection, complication, and tumor local recurrence were analyzed. Results: Among 34 patients, 67 lesions were removed simultaneously in 33 cases; 2 lesions were removed in 2 operations for 1 case. For the simultaneous resection, the en bloc rate was 97.01% (65/67) and the curative resection rate was 92.54% (62/67). Postoperative stricture occurred in two cases and delayed bleeding occurred in one case. There was one local recurrence, no metastasis or procedure-related death. Conclusions: Simultaneous ESD as a treatment for SMPEEC is technically feasible, benefited from reducing hospitalization time and medical expenses. For the cases with risk factors of complications, simultaneous ESD needs to be avoided.

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