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A human colon is considered abnormally enlarged if it has a diameter greater than 12 cm [3] in the cecum (it is usually less than 9 cm [4]), greater than 6.5 cm [3] in the rectosigmoid region and greater than 8 cm [3] for the ascending colon. The transverse colon is usually less than 6 cm in diameter. [4] A megacolon can be either acute or ...
An objective method used to evaluate the motility of the colon and help with diagnosis is the colon transit time. [19] Another helpful test to diagnose this condition may be an abdominal X-ray as this can show the distribution of the faeces and show any abnormalities with the colon, for example a megacolon . [ 14 ]
The colon cut-off sign is a radiographic finding seen on abdominal radiographs and computed tomography scans. It is characterized by a marked dilatation of the transverse colon, with an abrupt transition to collapsed distal colon, particularly the splenic flexure. [1] This sign is indicative of underlying pathology, most commonly acute ...
Colon cancer is the second-leading cause of cancer deaths in women under age 50, TODAY.com previously reported. Experts remain uncertain as to why this type of cancer has been occurring more often ...
In children, ultrasound is preferred while in adults a CT scan is preferred. [1] Intussusception is an emergency requiring rapid treatment. [1] Treatment in children is typically by an enema with surgery used if this is not successful. [1] Dexamethasone may decrease the risk of another episode. [2]
Risk factors include a birth defect known as intestinal malrotation, an enlarged colon, Hirschsprung disease, pregnancy, and abdominal adhesions. [1] Long term constipation and a high fiber diet may also increase the risk. [3] The most commonly affected part of the intestines in adults is the sigmoid colon with the cecum being second most ...
It crosses the abdomen from the ascending colon at the right colic flexure (hepatic flexure) with a downward convexity to the descending colon where it curves sharply on itself beneath the lower end of the spleen forming the left colic flexure (splenic flexure). In its course, it describes an arch, the concavity of which is directed backward ...
Chilaiditi syndrome is a rare condition when pain occurs due to transposition of a loop of large intestine (usually transverse colon) in between the diaphragm and the liver, visible on plain abdominal X-ray or chest X-ray. [1] Normally this causes no symptoms, and this is called Chilaiditi's sign. The sign can be permanently present, or ...