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The ascending colon is smaller in calibre than the cecum from where it starts. It passes upward, opposite the colic valve, to the under surface of the right lobe of the liver, on the right of the gall-bladder, where it is lodged in a shallow depression, the colic impression; here it bends abruptly forward and to the left, forming the right colic flexure (hepatic) where it becomes the ...
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 ...
Patients with pre-existing peripheral vascular disease or ischemia of the ascending (right) colon may be at increased risk for complications or death. [ citation needed ] Non-gangrenous ischemic colitis, which comprises the vast majority of cases, is associated with a mortality rate of approximately 6%. [ 34 ]
More young people are getting colon cancer. A man diagnosed at age 29 shares symptoms as part of this trend — pelvic pain, blood in stool, not being able to sit
Left-sided diverticular disease (involving the sigmoid colon) is most common in the West, while right-sided diverticular disease (involving the ascending colon) is more common in Asia and Africa. [8] Among people with diverticulosis, 4–15% may go on to develop diverticulitis. [3]
In contrast to Crohn's disease, which can affect areas of the gastrointestinal tract outside of the colon, ulcerative colitis is usually confined to the colon. Inflammation in ulcerative colitis is usually continuous, typically involving the rectum, with involvement extending proximally (to sigmoid colon, ascending colon, etc.). [19]
The signs and symptoms of colitis are quite variable and dependent on the cause of the given colitis and factors that modify its course and severity. [2]Common symptoms of colitis may include: mild to severe abdominal pains and tenderness (depending on the stage of the disease), persistent hemorrhagic diarrhea with pus either present or absent in the stools, fecal incontinence, flatulence ...
Inflammatory bowel disease (IBD) is a group of inflammatory conditions of the colon and small intestine, with Crohn's disease and ulcerative colitis (UC) being the principal types. [3] Crohn's disease affects the small intestine and large intestine, as well as the mouth, esophagus, stomach and the anus, whereas UC primarily affects the colon ...