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Difference between revisions of "Esophagus"
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cell carcinoma; this may mask the true extent of the lesion on endoscopy. | cell carcinoma; this may mask the true extent of the lesion on endoscopy. | ||
</pre> | </pre> | ||
====Micro==== | |||
The sections show a squamous mucosa with focal moderate atypia of the squamous cells, | |||
keratinization and easily identified mitotic figures. The atypical cells are partially | |||
covered by benign squamous cells, and there is a very sharp transition between the cells | |||
with atypia and those without. The atypical squamous cells extend into the subepithelial tissue in irregularly shaped nests and cords. A small amount of benign muscle is present. | |||
==Esophageal adenocarcinoma== | ==Esophageal adenocarcinoma== | ||