Intussusception of Rectosigmoid Colon Cancer Mimicking a Pedunculated Tumor
Figure 2
Sigmoidoscopy revealed a tumor occupying the lumen 15 cm from anal verge (a). The bowel mucosa proximal mobile tumor was observed although the camera could not traverse beyond the lesion (b). Gastrografin enema demonstrating the tumor in the rectosigmoid colon without the typical coiled-spring appearance or cup-shape filling defect (c).
