The Current State of Diagnosis and Treatment for Early Gastric Cancer

Figure 5

Procedure of endoscopic submucosal dissection. (a) Type 0-IIa lesion on the lesser curvature of the middle gastric body. (b) Chromoendoscopy with indigo carmine dye spraying. (c) Marking around the lesion. (d) Making small initial incision with a needle knife. (e) Mucosal cutting with an insulation-tipped diathermic knife-2 (IT knife-2). (f) Circumferential incision of the mucosa. (g) Additional submucosal injection of diluted epinephrine and indigo carmine. (h) Dissection of the submucosal layer with an IT knife-2. (i) The mucosal defect after resection of the lesion.

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