what is a megacolon in adults
Megacolon is an abnormal dilation of the colon. The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas, which can require surgery to be removed. A human colon is considered abnormally enlarged if it has a diameter greater than 12 cm in the cecum, greater than 6.5 cm in the rectosigmoid region and greater than 8 cm for the ascending colon. The transverse colon is u