gastroenterology videos
Large ulcerated polyp at the splecnic flexure
A 71 year-old male that had severe rectal bleeding and shock due to this tumor.
Serrated large Mass
A 32 year-old physician, who had rectal bleeding. A large mass between the second and third rectal valve is appreciated. The histopathologic study reveled tubular adenoma. The "hyperplastic polyp"...
Cecum stalk polyp inside of the appendiceal orifice...
The appendiceal orifice is appreciated after the biopsies of the polyp. The diameter of the orifice is enlarged and almost permitted introduction of the tip of the colonoscope.
Cecum stalk polyp inside of the appendiceal orifice...
Cecum stalk polyp inside of the appendiceal orifice.
Large Villous Adenoma of the Sigmoid
The cancer risk of a tubular adenoma is controversial, but strong evidence suggests that it can become malignant. Risk of malignancy is related to size; a 1.5-cm tubular adenoma has a 2% risk. As its...
Pediculated tubular adenoma
Colonoscopic picture of a pediculated tubular adenoma. Note the stalk and raspberry-like appearance of the polyp. Most adenomas are encountered incidentally during colorectal cancer surveillance.
Large and long stalk villous adenoma inserting...
Polyps are classified based on the type of tissue they contain: Tubular adenomas are the most common type. About 80% to 86% of adenomatous polyps are this type. Tubular adenomas are the polyps that...
Tubular Adenoma
Of the third rectal valve some diverticulae are observed nearby. Most colonic polyps are asymptomatics. Adenomoatous Polyps result of epithelial and dysplasia. Tree types: tubular, villous and...
Flat Adenoma (2 of 3)
High magnification with Cresyl violet. Dye spray technique may result in a higher detection rate of flat colonic lesions. Clinical usefulness of high-resolution chromoendoscopy, i.e. colonoscopy...
Flat Adenoma (1 of 3)
Flat Adenoma of the third rectal valve, with irregular surface is appreciated.
Cap Polyposis
Another Case. This 47 year-old female, who has been suffering of rectal discharge with mucoid secretion.
Cap polyposis that resemble a adenocarcinoma...
Status after the polyps were considered successfully ablated with argon plasma coagulation. Three different session of argon plasma coagulator were used.
Users
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Gottumukkala Raju
Professor
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Ahmad Hormati
Professor
Channels
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Gastroenterology Atlas
medical institution
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EUS - ENDO
commercial institution
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SAGES - Society of American Gastrointestinal and Endoscopic Surgeons
medical institution
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American Association for Primary Care Endoscopy
medical institution
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Colonscopy Quiz by Dr. Raju
medical institution
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