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. 2008 Sep 30;2(2):95–98. doi: 10.5009/gnl.2008.2.2.95

Fig. 2.

Fig. 2

Tissue damage in a minipig killed 1 week after APC. (A) APC (5 seconds) without prior submucosal injection. (B) APC (5 seconds) after submucosal injection. (C) APC (10 seconds) without prior submucosal injection. (D) APC (10 seconds) after submucosal injection. (E) APC (20 seconds) without prior submucosal injection. (F) APC (20 seconds) after submucosal injection. Under all the conditions except for 20 seconds of APC without prior submucosal injection, granulomatous and fibrotic changes were evident in the submucosal layer of the artificial ulcer, although the actual muscle layer appeared intact. Deep ulceration that destroyed the muscle layer was evident for 20 seconds of APC without submucosal injection.