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Rectal bleeding refers to bleeding in the rectum, thus a form of lower gastrointestinal bleeding. There are many causes of rectal hemorrhage, including inflamed hemorrhoids (which are dilated vessels in the perianal fat pads), rectal varices , proctitis (of various causes), stercoral ulcers , and infections .
A colorectal polyp is a polyp (fleshy growth) occurring on the lining of the colon or rectum. [1] Untreated colorectal polyps can develop into colorectal cancer. [2] Colorectal polyps are often classified by their behaviour (i.e. benign vs. malignant) or cause (e.g. as a consequence of inflammatory bowel disease).
While colon polyps are not commonly associated with symptoms, occasionally they may cause rectal bleeding, and on rare occasions pain, diarrhea or constipation. [9] They are a concern because of the potential for colon cancer being present microscopically, and the risk of benign colon polyps becoming malignant over time. [10]
“You can have a polyp without having any symptoms,” Eng noted. ... and rectum. It is the second leading cause of all cancer-related deaths. Signs and symptoms of colorectal include rectal ...
Juvenile polyps often do not cause symptoms (asymptomatic); when present, symptoms usually include gastrointestinal bleeding and prolapse through the rectum. Removal of the polyp ( polypectomy ) is warranted when symptoms are present, for treatment and definite histopathological diagnosis.
Trachoma can cause an asymptomatic proctitis, but the symptoms of lymphogranuloma venereum are usually more severe, including pruritus ani, purulent rectal discharge, hematochezia rectal pain and diarrhea or constipation. [14] [24] Lymphogranuloma venereum can cause fistulas, strictures and anorectal abscesses if left untreated. Hence, it can ...
Affected individuals may present with rectal bleeding, abdominal pain, diarrhea or anemia. Diagnosis is typically by way of endoscopy and cytology. [3] On colonoscopy or sigmoidoscopy polyps that vary in shape or size are present. The polyps can be sessile or pedunculated hamartomatous polyps. [1]
[12]: 619–620 Colorectal cancer can be detected through the bleeding of a polyp, colicky bowel pain, a bowel obstruction or the biopsy of a polyp at a screening colonoscopy. A constant feeling of having to go to the toilet or anemia might also point to this kind of cancer. [13]: 911
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