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70. Which of the following types of polyps is associated with the greatest risk of malignant transformation?
a. hyperplastic polyp
b. tubular adenoma
c. Villous adenoma
d. mixed tubulovillous-adenoma
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d. mixed tubulovillous-adenoma
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Villous adenomas are associated more often with larger adenomas and more severe degrees of dysplasia. These adenomas occur more frequently in the rectum and rectosigmoid, although they may occur anywhere in the colon. Although rare, villous adenomas of the duodenum and small bowel, particularly at the ampulla, can occur. Villous adenomas are of concern primarily because of the risk of malignant transformation (approximately 15-25% overall but higher once >2 cm)........C
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GOOD EXPLANATION ARVANTAJ,Tx this is what AI like expplanation and good participation, Thank you
Answer is CCCCCCCCCCCCCCC
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u r welcome , Tx For sending us these great questions