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ORIGINAL ARTICLE
Year : 2018  |  Volume : 14  |  Issue : 1  |  Page : 52-56

Clinical efficacy of endoscopic submucosal dissection in the treatment of early esophageal cancer and precancerous lesions


Department of Gastroenterology, Zhengzhou University People's Hospital, Zhengzhou, Henan 450003, P.R. China

Correspondence Address:
Shuangyin Han
Department of Gastroenterology, Zhengzhou University People's Hospital, No.7 Weiwu Road, Zhengzhou, Henan 450003
P.R. China
Dr. Yanrui Zhang
Department of Gastroenterology, Zhengzhou University People's Hospital, No.7 Weiwu Road, Zhengzhou, Henan 450003
P.R. China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_805_17

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Objective: The objective of this study was to evaluate the clinical value of endoscopic submucosal dissection (ESD) in the treatment of early esophageal cancer and precancerous lesions. Materials and Methods: We retrospectively analyzed 58 patients who suffered from early esophageal and precancerous lesions and received ESD in the First Affiliated Hospital of Zhengzhou University from February 2012 to January 2016. The clinical efficacy and safety of ESD in treating the early esophageal cancer and precancerous lesions was evaluated by analyzing the operation successful rate, postoperative pathology, complications, and follow-up data of patients who received ESD. Results: For the 58 patients, ESD was successfully completed in 56 cases with a success rate of 96.6%, whereas ESD was unsuccessful in 2 cases. Invasive lesions were observed in the esophageal muscular layer of 1 patient. Consequently, surgery was terminated and this patient was transferred to thoracotomy surgical intervention involving radical resection of esophageal cancer. Esophageal perforation was observed during the annular incision of the esophageal mucosa in another patient with early-stage cancer. This perforation was occluded with an endoscopic titanium clip and surgery was terminated. Intraoperative blood loss in 56 patients was ranged from 10 to 90 mL with an average of 28.3 ± 17.2 mL. The diameter of ESD resection lesion was varied from 2 to 6.0 cm with an average of 3.4 ± 1.1 cm. For the 56 patients, enbloc resection was performed in 50 patients, with an enbloc resection rate of 89.3%. Complete lesion resection was performed in 49 patients, with a complete resection rate of 87.5%. For all patients, 36 manifested with severe atypical hyperplasia confirmed by postoperative pathology, 11 showed moderate atypical hyperplasia, 2 showed carcinoma insitu, and 7 presented with esophageal squamous cell carcinoma. In these 7 patients, 6 patients whose lesions limited to their mucosa were in the early stage of cancer while 1 patient with esophageal cancer involving the incisal edge, and the submucosal layer was subjected to additional surgical treatment. In addition, 1 patient experienced postoperative delayed hemorrhage (1.79%), 6 patients suffered from fever (10.71%), 33 patients reported substernal burning pain (58.93%) that mostly lasted 1–2 days before spontaneous remission, 1 patient was observed intraoperative perforation (1.79%), and 3 patients showed postoperative esophageal stenosis (5.36%), received multiple balloon dilatations, and consumed fluids afterward. Follow-up visits were facilitated for 49 patients for more than 1 year, and their median follow-up time was 36 months. Of these patients, recurrence was observed in 3 patients, with a recurrence rate of 6.1% (3/49). Of these 3 patients, 2 received surgical treatment and 1 underwent another endoscopic lesion resection. No patient died of esophageal cancer during follow-up. Conclusion: ESD was safe and reliable for the treatment of early esophageal cancer and precancerous lesions, and its recurrence and complication rates were low. Complete pathological information could be obtained after operation, which could be applied to assess patients' condition accurately.


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