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. 2014 Oct;2(5):383–390. doi: 10.1177/2050640614544315

Figure 5.

Figure 5.

Histological sections demonstrating the depth of thermal damage (hematoxylin-eosin) by standard (A, C) and Hybrid-APC (B, D). (A) Standard APC 50W: damage to E and SM, bordering the MC (B) Hybrid-APC 50W: damage to E and partly to SM. Protective fluid cushion can be seen. (C) Standard APC 70W: damage reaching MC. (D) Hybrid-APC, 70W: damage reached SM. E = squamous epithelium; SM = submucosal layer; MC = circular muscle layer; ML = longitudinal muscle layer; F = fluid cushion (Hybrid-APC).