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Difference between revisions of "Ampulla of Vater"
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→Microscopic
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Features:<ref name=pmid23026934/> | Features:<ref name=pmid23026934/> | ||
*Pseudostratified columnar epithelium with hyperchromatic, ellipsoid nuclei. | *Pseudostratified columnar epithelium with hyperchromatic, ellipsoid nuclei. | ||
**Similar to [[colorectal adenocarcinoma]]. | **Glands usually tightly packed, i.e. high gland-to-stroma ratio; often >2:1. | ||
Note: | |||
*Similar to [[colorectal adenocarcinoma]]. | |||
====Pancreatobiliary ampullary carcinoma==== | ====Pancreatobiliary ampullary carcinoma==== | ||
Features:<ref name=pmid23026934/> | Features:<ref name=pmid23026934/> | ||
*Tubular arrangements consisting of cuboidal cells in one or two layers. | *Tubular arrangements consisting of cuboidal cells in one or two layers. | ||
**Tubules usually spaced; ~1:3 gland-to-stroma ratio. | |||
====Other==== | ====Other==== | ||