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Clin Endosc. 2016 Mar;49(2):168-175. English. Original Article.
Park JS , Youn YH , Park JJ , Kim JH , Park H .
Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.

BACKGROUND/AIMS: Endoscopic treatment has been broadly applied to superficial esophageal neoplasms. Endoscopic submucosal dissection (ESD) allows for high rates of en bloc resection, precise histological assessment, and low rates of local recurrence. The aim of this study was to evaluate the outcomes of ESD for superficial esophageal neoplasms. METHODS: We retrospectively reviewed 36 esophageal ESDs for superficial squamous neoplasms in 32 patients between March 2009 and August 2014 at Gangnam Severance Hospital. RESULTS: The median patient age was 64 years, and 30 men were included. The indications were early squamous cell carcinoma in 26 lesions, adenoma with high-grade dysplasia in five lesions, and low-grade dysplasia in five lesions. The en bloc resection and R0 resection rates were 97.2% (35 of 36) and 91.7% (33 of 36), respectively. Microperforation and post-ESD bleeding occurred in 5.6% (2 of 36) and 5.6% (2 of 36), respectively. Post-ESD esophageal strictures developed in five patients (13.9%). Five patients (15.6%) had an additional treatment after ESD (concurrent chemoradiation therapy in three, radiation therapy in one, and surgery in one patient). There was no disease-specific mortality during the median follow-up of 31 months. CONCLUSIONS: Favorable clinical outcomes were observed in ESD for superficial esophageal squamous neoplasms. Esophageal ESD could be a good treatment option in terms of efficacy and safety.

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