Figure 3From: The significance of ectopic crypt formation in the differential diagnosis of colorectal polypsTubulovillous adenoma (TVA) with high grade dysplasia. (A), TVA with a villous architecture and columnar cells showing diffuse high grade dysplasia (hematoxylin and eosin; original magnification × 40). (B), Box in panel A, displaying high grade dysplasia and ectopic crypts (hematoxylin and eosin; original magnification × 100).Back to article page