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Thyroid gland
Papillary carcinoma
Columnar cell variant

Reviewer: Shahidul Islam, M.D., Ph.D. (see Reviewers page)
Revised: 12 June 2013, last major update March 2009
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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Case reports
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Gross description
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Gross images
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Tumor replaced most of thyroid and extended beyond thyroid
Micro description
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Micro images
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Columnar tumor cells with striking nuclear stratification (AFIP)
55 year old man with rapidly enlarging thyroid mass
(A, B) Squamoid whorls or morules
Columnar cell type (top) versus tall cell type (bottom)
Variable thyroglobulin staining within same tumor
Various features
Various patterns
Morphologic features
Contributed by Dr. Mark R. Wick
Cytology description
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Positive stains
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Negative stains
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Differential diagnosis
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End of Thyroid gland > Papillary carcinoma > Columnar cell variant


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