gastroenterology videos
Large Tubulo-Villous Adenoma (5 of 6)
Endoscopic Image of Colonic Polyp Numerous environmental factors can increase the risk of colon cancer, presumably by modulating these molecular pathways. While colon cancer in an advanced and incurable...
Large Tubulo-Villous Adenoma (4 of 6)
Endoscopic View of Enormous Polyp of the Colon Colon cancer mostly arises from adenomas, recognized as colonic polyps, but may occasionally arise from the sessile serrated adenoma. Adenomatous polyposis...
Large Tubulo-Villous Adenoma (3 of 6)
Endoscopic View of Large Colonic Polyp Large colonic polyps present a particular challenge to endoscopists because of the risks of significant hemorrhage , perforation, inadequate polypectomy, or...
Large Tubulo-Villous Adenoma (2 of 6)
Endoscopic View of Large Colonic Polyp The pedicle is large and wide. Most colon cancers arise from conventional adenomatous polyps (conventional adenoma-to-carcinoma sequence).
Large Tubulo-Villous Adenoma (1 of 6)
This 56-year-old lady, since four months has occasional rectal bleeding, also have congestioned internal hemorrhoids a colonoscopy was performed finding this large mass.
Massive Rectal Bleeding (10 of 11)
Inflammatory stricture, hypertrophic lesions resembling polyp or tumor, segmental transverse ulcers and segmental or diffuse colitis are the pathological presentations of colonic tuberculosis. With...
Massive Rectal Bleeding (9 of 11)
In this video multiple ulcers of the ascending colon and cecum are observed with the retroflexed maneuver that was performed from the cecum all the way to the rectum using a adult colonoscope. This...
Massive Rectal Bleeding (8 of 11)
Colonoscopy is a non-invasive procedure that provides much information about the mas and nature of involvement and facilitates biopsy collection. Colonoscopic findings of nodular, noduloulcerative...
Massive Rectal Bleeding (7 of 11)
Tuberculosis may affect any part of the gastrointestinal tract, but it most commonly involves the terminal ileum and ileocaecal region, as does Crohn’s disease.
Massive Rectal Bleeding (6 of 11)
The median duration of symptoms is usually less than one year. Pain predominantly in the lower abdomen is the commonest symptom of presentation. In one-third of patients lower gastrointestinal bleeding...
Massive Rectal Bleeding (5 of 11)
The cecum area showing ulceration of the ileocecal valve Colonic TB may present as an inflammatory stricture, hypertrophic lesions resembling polyps or tumors, segmental ulcers and colitis or rarely,...
Massive Rectal Bleeding (4 of 11)
The apparent affinity of the tubercle bacillus for lymphoid tissue and areas of physiologic stasis facilitating prolonged contact between the bacilli and the mucosa may be the reasons for the ileum...
Massive Rectal Bleeding (3 of 11)
Large ulcer with an elevated margin Intestinal tuberculosis (TB) is rarely seen in western countries, affecting mainly immigrants and immunocompromised patients. However, the incidence of abdominal...
Massive Rectal Bleeding (2 of 11)
The colon was seen to be filled with dark blood. The main symptom of lower GI bleeding is blood exiting the anus, either alone (bright red blood per rectum) or as red-stained stool (hematochezia)....
Massive Rectal Bleeding (1 of 11)
This 54-year-old male fisherman, was seen as an emergency because of massive rectal bleeding, his hemoglobin was 6.3 GR./dl, serology for HIV was negative, Rectal examination revealed dark, red blood...
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Gottumukkala Raju
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Ahmad Hormati
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Gastroenterology Atlas
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Colonscopy Quiz by Dr. Raju
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