Multiple Steps of Colonoscopy - Medical Illustration, Human Anatomy Drawing
A. A standard colonoscope inserted into the rectum, cannot be advanced into the sigmoid colon (can only be advanced to about 30 cm) and is removed.\r\n This image shows an overview of the scope inserted into the level of the stricture and pushing against the wall of the rectosigmoid colon, unable to advance further.\r\n\r\nB. A pediatric scope inserted to the level of the sigmoid colon.\r\n This image shows a pediatric scope inserted to just below the stricture.\r\n\r\nC. Intraluminal trauma (secondary to repeated manipulation with the scope) This image shows the surgeon\'s view of the colon through the pediatric scope, showing the hemorrhagic scar and tissue noted in the operative report. The adhesions, distal sigmoid stricture, diverticulitis in the sigmoid colon\r\n