Nasopharyngeal Undifferentiated Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A nonkeratinizing nasopharyngeal carcinoma characterized by the presence of large cells with vesicular nuclei and prominent nucleoli, a syncytial growth pattern, and a lymphoplasmacytic infiltrate.

**Synonyms:** - Lymphoepithelioma of Nasopharynx - Lymphoepithelioma of the Nasopharynx - Nasopharyngeal Carcinoma Type III - Nasopharyngeal Lymphoepithelial Carcinoma - Nasopharyngeal Lymphoepithelioma - Nasopharyngeal Non-Keratinizing Undifferentiated Carcinoma - Nasopharyngeal Nonkeratinizing Undifferentiated Carcinoma - Undifferentiated Carcinoma of Nasopharynx - Undifferentiated Carcinoma of the Nasopharynx - Undifferentiated Nasopharyngeal Throat Cancer