Large Adenoma (1 of 2)

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Large and long stalk villous adenoma inserting in the rectal dentate line, appearing as a multi lobular mass.
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 are least likely to develop into colon cancer.

Villous adenomas are the least common type. About 3% to 16% of adenomatous polyps are this type. Villous adenomas are most likely to become cancerous.

Tubulovillous adenomas are a combination of the other two tissue types. About 8% to 16% of adenomatous polyps are this type and are more likely than tubular but less likely than villous adenomas to develop into cancer.

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Uploaded by

Julio Murra-Saca

Physician (Internal medicine - Gastroentrology)

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