When the inflammation occurs in the rectum and lower part of the colon it is called ulcerative proctitis.
Ulcerative proctitis is a mild form of ulcerative colitis, a chronic inflammatory bowel disease (IBD) characterized by fine ulcerations in the large intestine's inner mucosal lining that do not penetrate the bowel muscle wall.
Ulcerative Proctitis can be caused by radiation injury, foreign body trauma, constriction or obstruction of a blood vessel (ischemia), infection, or an unknown cause (idiopathic).
Proctitis affects the rectum, whereas ulcerative colitis (UC) can affect the colon, the rectum, or both. The gastrointestinal tract is affected by UC, a type of inflammatory bowel disease (IBD). A type of UC is proctitis.
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