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Difference between revisions of "Traditional adenoma"
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The villous component is over 25% of the lesion but less than 50% of the lesion. | The villous component is over 25% of the lesion but less than 50% of the lesion. | ||
====Low-grade versus high-grade==== | |||
The sections shows colorectal-type mucosa with an epithelium that has cellular pseudostratification and enlarged hyperchromatic nuclei at the the luminal aspect (dysplasia). | |||
The architecture is tubular and villous. The tubular component is predominant. | |||
Focally, the nuclei are round and vesicular, and the glands do not have appreciable numbers of goblet cells. Occasionally, glands are fused. No desmoplastic response is evident. Benign fragments of submucosa are present. | |||
==See also== | ==See also== | ||