Cancer of unknown primary origin classification
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Cancer of unknown primary origin Microchapters |
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Differentiating Cancer of Unknown Primary Origin from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Cancer of unknown primary origin classification On the Web |
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American Roentgen Ray Society Images of Cancer of unknown primary origin classification |
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Risk calculators and risk factors for Cancer of unknown primary origin classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: , Roukoz A. Karam, M.D.[2]
Overview
Cancer of unknown primary origin may be classified based on light microscopy of the tissue biopsy into 4 groups including adenocarcinomas, squamous cell carcinomas, poorly differentiated tumors, and carcinomas with neuroendocrine differentiation.
Classification
Cancer of unknown primary origin may be classified based on light microscopy of the tissue biopsy into 4 main groups:[1]
- Well or moderately differentiated adenocarcinomas
- Poorly differentiated or undifferentiated adenocarcinoma
- Squamous cell carcinomas
- Poorly differentiated tumors
- Carcinomas with neuroendocrine differentiation