Abstract
From 1980 to June 1994, we have been treated 122 cases of an early gastric cancer, using laser endoscopy. Laser endoscopic treatment is used to be performed to the patient with early gastric cancer in high surgical risk condition, co-existence of an active cancer of an another site or refuse of surgery. The treatment was extremely excellent, as 94% for an early gastric cancer less than 2cm and without U1. An accident (bleeding and perforation) by the treatment was few, as 0.6% in each. On the contrary, it was much higher by an endoscopic mucosal resection, using high frequency electric current. As the efficacy rate was low for a lager and sm-invasing lesion, development of new method is necessary.
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