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Colonoscopy (/ ˌ k ɒ l ə ˈ n ɒ s k ə p i /) or coloscopy (/ k ə ˈ l ɒ s k ə p i /) [1] is a medical procedure involving the endoscopic examination of the large bowel (colon) and the distal portion of the small bowel.
High-frequency electric current is then conducted through the jet of gas, resulting in coagulation of the bleeding lesion. As no physical contact is made with the lesion, the procedure is safe if the bowel has been cleaned of colonic gases, [ 2 ] [ 3 ] and can be used to treat bleeding in parts of the gastrointestinal tract with thin walls ...
Juvenile polyposis syndrome is characterised by the presence of more than five polyps in the colon or rectum, or numerous juvenile polyps throughout the gastrointestinal tract, or any number of juvenile polyps in any person with a family history of juvenile polyposis. People with juvenile polyposis have an increased risk of colon cancer. [19]
The procedure usually takes thirty minutes to an hour followed by a one to two hour observation period. Complications include bloating, cramping, a reaction to anesthesia, bleeding, and a hole through the wall of the colon that may require repeat colonoscopy or surgery. Signs of a serious complication requiring urgent or emergent medical ...
A lower gastrointestinal series is a medical procedure used to examine and diagnose problems with the human colon of the large intestine. Radiographs (X-ray pictures) are taken while barium sulfate, a radiocontrast agent, fills the colon via an enema through the rectum.
The Family History Research Wiki receives over 100 million views per year. [16] During most months, it is typically the second-most frequently visited section (out of ten sections) of FamilySearch, its host site. As of March 7, 2016, the English edition of the Family History Research Wiki had 150,561 registered users who had contributed to the ...
The Amsterdam criteria arose as a result of a meeting of the International Collaborative Group on Hereditary Non-Polyposis Colon Cancer in Amsterdam, in 1990. [5] Following this, some of the genetic mechanisms underlying Lynch syndrome were elucidated during the 1990s and the significance of tumours outside the colon , such as those of the ...
Colorectal surgery is a field in medicine dealing with disorders of the rectum, anus, and colon. [1] The field is also known as proctology, but this term is now used infrequently within medicine and is most often employed to identify practices relating to the anus and rectum in particular.