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Esophagus
Premalignant lesions
Squamous dysplasia

Reviewer: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 2 July 2013, last major update May 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

See basal squamous dysplasia below

General
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Treatment
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Gross description
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Micro description
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Micro images
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Low grade dysplasia

In situ carcinoma with adjacent normal mucosa

Almost full thickness epithelial disorganization


Pagetoid high grade dysplasia

Suspicious but not diagnostic of invasive carcinoma

In situ carcinoma involving submucosal ducts

Differential diagnosis
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Basal squamous dysplasia

General
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Micro images
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Small dysplastic basaloid cells

Low magnification

Medium magnification

High magnification

High grade dysplasia due to pleomorphic and hyperchromatic nuclei, although not full thickness

End of Esophagus > Premalignant lesions > Squamous dysplasia


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