Nasopharyngeal carcinoma classification
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Nasopharyngeal carcinoma Microchapters |
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Differentiating Nasopharyngeal carcinoma from other Diseases |
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Nasopharyngeal carcinoma classification On the Web |
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Risk calculators and risk factors for Nasopharyngeal carcinoma classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Classification
Nasopharyngeal carcinoma is classified as a malignant neoplasm, or cancer, arising from the mucosal epithelium of the nasopharynx, most often within the lateral nasopharyngeal recess or fossa of Rosenmüller. There are three microscopic subtypes of NPC: a well-differentiated keratinizing type, a moderately-differentiated nonkeratinizing type, and an undifferentiated type, which typically contains large numbers of non-cancerous lymphocytes (chronic inflammatory cells), thus giving rise to the name lymphoepithelioma. The undifferentiated form is most common, and is most strongly associated with Epstein-Barr virus infection of the cancerous cells.[1]
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Undifferentiated nasopharyngeal carcinoma - low power
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Undifferentiated nasopharyngeal carcinoma - med. power
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Undifferentiated nasopharyngeal carcinoma - high power
References
- ↑ Richard Cote, Saul Suster, Lawrence Weiss, Noel Weidner (Editor). Modern Surgical Pathology (2 Volume Set). London: W B Saunders. ISBN 0-7216-7253-1.