afp20110115p159-f4

Axial computed tomography scan showing dilated, contrast-filled loops of bowel on the patient’s left (yellow arrows), with decompressed distal small bowel on the patient’s right (red arrows). The cause of obstruction, an incarcerated umbilical hernia, can also be seen (green arrow), with proximally dilated bowel entering the hernia and decompressed bowel exiting the hernia. | Jackson, P. G., & Raiji, M. T. (2011). Evaluation and management of intestinal obstruction. American family physician, 83(2), 159–165.