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Difference between revisions of "Traditional adenoma"
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→Barely villous
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=====Barely villous===== | =====Barely villous===== | ||
The sections shows colorectal-type mucosa with | The sections shows colorectal-type mucosa with cellular pseudostratification and enlarged | ||
cellular pseudostratification and enlarged hyperchromatic nuclei, from the crypt base to | hyperchromatic nuclei, from the crypt base to the luminal aspect (dysplasia). | ||
the luminal aspect (dysplasia). | |||
No cribriforming of glands, epithelial budding or intraluminal papillary tufting is | No cribriforming of glands, epithelial budding or intraluminal papillary tufting is | ||
identified. Goblet cells are present in the dysplastic epithelium. Dysplastic nuclei have | identified. Goblet cells are present in the dysplastic epithelium. Dysplastic nuclei have | ||
an ellipsoid-shape and basally stratified. | an ellipsoid-shape and basally stratified. | ||
Finger-like epithelial projections (villi) are present and comprise approximately 55% of | Finger-like epithelial projections (villi) are present and comprise approximately 55% of | ||
the dysplastic tissue. | the dysplastic tissue. The remainder of the lesion has a tubular morphology. | ||
A large morphologically benign lymphoid aggregrate is present. No submucosal invasion is | |||
identified. | |||
====Tubulovillous adenoma==== | ====Tubulovillous adenoma==== | ||