“…Physiological causes include high-roughage diet and large bowel distension secondary to chronic constipation. This constipation is associated with psychiatric or neurologic diseases [3]. Mechanical causes include previous volvulus of the transverse or the sigmoid colon, distal colonic obstruction, adhesions, malposition of the colon following previous surgery, mobility of the right colon, inflammatory strictures, and carcinoma [1, 4].…”