Endoscopic radial incision and cutting technique for treatment-naive stricture of colorectal anastomosis: Two case reports

Figure 1 The radial incision and cutting technique with a single incision for two patients. A: Anastomotic stenosis (AS) at 4 cm from the anal verge in patient 1; B: A single incision using the electrosurgical ITknife2 in patient 1; C: Circumferential excision with the ITknife2 along the inner margin of the surgical staple line in patient 1; D: The enlarged opening after the radial incision and cutting (RIC) procedure in patient 1; E: AS at 12 cm from the anal verge in patient 2; F: Single incision using the ITknife2 in patient 2; G: Circumferential excision with the ITknife2 along the inner margin of the surgical staple line in patient 2; H: The enlarged opening after the RIC procedure in patient 2.

Figure 2 Follow-up colonoscopy. A: Seven months after the radial incision and cutting (RIC) procedure in patient 1; B: Eight months after the RIC procedure in patient 2.