Tubulovillous adenoma

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Tubulovillous adenoma (tubular component - left of image, villous component - right of image). H&E stain.

Tubulovillous adenoma, TVA, is a type of polyp that grows in the colon and other places in the gastrointestinal tract and sometimes in other parts of the body. These adenomas may become malignant (cancerous).

TVAs are considered to have a higher risk of malignant transformation than tubular adenomas.[1]

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  1. ^ Levine JS, Ahnen DJ (December 2006). "Clinical practice. Adenomatous polyps of the colon". N. Engl. J. Med. 355 (24): 2551–7. PMID 17167138. doi:10.1056/NEJMcp063038. 

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 This article incorporates public domain material from the U.S. National Cancer Institute document "Dictionary of Cancer Terms".