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Difference between revisions of "Stomach"
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==Gastric dysplasia== | ==Gastric dysplasia== | ||
===General=== | ===General=== | ||
*Criteria similar to those in adenomatous colonic polyps | *Criteria similar to those in adenomatous colonic polyps (see ''Microscopic''). | ||
*Divided into: | *Divided into: | ||
**Low grade. | **Low grade. | ||
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===Microscopic=== | ===Microscopic=== | ||
Features: | |||
*Nuclear changes. | *Nuclear changes. | ||
**Nuclear crowding/pseudostratification. | **Nuclear crowding/pseudostratification. | ||
**Elongation of nuclei (cigar-shaped nuclei). | **Elongation of nuclei (cigar-shaped nuclei). | ||
*Cytoplasm - hyperchromatic. | *Cytoplasm - hyperchromatic. | ||
*Mitosis - | *Mitosis - particularly above the basement membrane. | ||
Images: | |||
*[http://commons.wikimedia.org/w/index.php?title=File:High_grade_gastric_dysplasia_-_low_mag.jpg High grade gastric dysplasia - low mag. (WC)¸. | |||
*^http://commons.wikimedia.org/w/index.php?title=File:High_grade_gastric_dysplasia_-_low_mag.jpg ¸High grade gastric dysplasia - very high mag. (WC)¸. | |||
*[http://commons.wikimedia.org/wiki/File:Gastric_adenoma_(2).jpg Gastric adenoma (WC)]. | |||
=Neoplastic rare= | =Neoplastic rare= | ||