ENDOSCOPIC SUBMUCOSAL DISSECTION FOR HYPOPHARYNGEAL CARCINOMA

Abstract

Recent development in endoscopic diagnosis enab/ed gastrointestinal endoscopists to detect hypopharyngeal carcinoma in an early stage, especially in Japan. Patients with such early lesions can be treated with endoscopic mucosal resection(EMR). We have used endoscopic submucosal dissection(ESD)as EMR method for early hypopharyngeal carcinoma in the purpose of preventing unnecessary mucosal defects of hypopharynx. Four patients with hypopharyngeal carcinoma underwent ESD in our hospital. No late complication due to ESD (such as dysphagea)arose in the patients. None of them were found to have recurrent lesion. ESD may be the most adequate method of EMR for hypopharynx, which is much related to important function such as swallowing and speaking. Further study about indication of EMR for hypopharyngeal carcinoma is required.