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Tubulovillous Adenoma Sample
   
Tubulovillous Adenoma 40x
   
Tubulovillous Adenoma 200x
   
Paksusuoli
   

Tubulovillous adenoma (adenoma tubulovillosum)

This sample is a piece of wall from the large intestine. Elongated villous structures are visible. In the epithelium of villi nuclei are often multi-layered. Both villotic and tubular structures (arrows) can be seen and these findings fit the adenoma tubulovillosum with mild dysplasia. There are also inflammatory cells between tubuli in lamina propria (arrewheads). 40x magnification, HE-staining.