Radiofrequency Ablation for Early Superficial Flat Esophageal Squamous Cell Neoplasia: A Comprehensive Review

Figure 1

Circumferential balloon-based radiofrequency ablation of early squamous cell neoplasia. (a) White-light endoscopy showed rough and reddish areas. (b) Lugol’s chromoendoscopy demonstrated multifocal unstained lesions. (c) Barrx™ 360 RFA balloon catheter placed in the esophagus before (d) and after the first circumferential ablation pass. (e) Appearance of the mucosa after the first circumferential ablation pass. (f) Appearance of the mucosa after cleaning the coagulum of treatment area.

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