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Nasopharyngeal Nonkeratinizing Carcinoma
A nasopharyngeal carcinoma characterized by the lack of keratinization and the presence of a dense lymphoplasmacytic infiltrate. It is subdivided into undifferentiated and differentiated types, based on the cytologic features of the malignant cells. The undifferentiated type is characterized by the presence of cells with large vesicular nuclei with prominent nucleoli and a syncytial pattern of growth. The differentiated type is characterized by the presence of smaller cells and cellular stratification reminiscent of transitional cell carcinoma. While morphologically distinct, both types have similar clinical presentation and prognosis. (NCI Thesaurus)
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A benign or malignant neoplasm affecting the nasopharynx. Representative examples of benign neoplasms include angiofibroma and squamous papilloma. Representative examples of malignant…
Endoscopic examination of the larynx, via the nasopharynx.
A squamous cell carcinoma that arises from the nasopharynx and is characterized by prominent production of keratin.
A non-neoplastic or neoplastic disorder that affects the nasopharynx. Representative examples include nasopharyngitis, angiofibroma, and carcinoma.
A nonkeratinizing nasopharyngeal carcinoma characterized by the presence of cells without prominent nucleoli, cellular stratification, and a lymphoplasmacytic infiltrate.
A term that refers to the staging of nasopharyngeal carcinoma according to the American Joint Committee on Cancer, 7th edition.
