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Difference between revisions of "Stomach"
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→Neoplastic
(→Gastric dysplasia: more) |
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#Gastric carcinoma. | #Gastric carcinoma. | ||
==Gastric dysplasia== | ==Gastric columnar dysplasia== | ||
*[[AKA]] ''gastric dysplasia''. | |||
===General=== | ===General=== | ||
*Criteria similar to columnar dysplasia in the [[esophagus]]. | *Criteria similar to columnar dysplasia in the [[esophagus]]. | ||
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Features: | Features: | ||
*Nuclear changes: | *Nuclear changes: | ||
**Nuclear crowding/pseudostratification. | **Nuclear crowding/pseudostratification with hyperchromasia. | ||
**Elongation of nuclei (cigar-shaped nuclei). | **Elongation of nuclei (cigar-shaped nuclei). | ||
**Nuclear stratification intact; nuclei close to the basement membrane. | **Nuclear stratification intact; nuclei close to the basement membrane. | ||
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*No necrosis. | *No necrosis. | ||
*No surface maturation. | *No surface maturation. | ||
Images: | |||
*[http://path.upmc.edu/cases/case431.html Low-grade gastric columnar dysplasia - several images (upmc.edu)]. | |||
====High-grade gastric columnar dysplasia==== | ====High-grade gastric columnar dysplasia==== | ||
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**Back-to-back glands. | **Back-to-back glands. | ||
**Cribriforming of the glands. | **Cribriforming of the glands. | ||
**+/-Necrosis. | |||
Negatives: | |||
*No desmoplasia. | |||
Images: | Images: | ||