Nasopharyngeal type undifferentiated carcinoma
Nasopharyngeal type undifferentiated carcinoma
Definition
A nonkeratinizing carcinoma which occurs predominantly in the nasopharynx but also in the tonsils and rarely in other anatomic sites. It is characterized by the presence of large malignant cells with vesicular nuclei, prominent nucleoli, syncytial growth pattern, and a lymphoplasmacytic infiltrate.
Also known as lymphoepithelial carcinoma, lymphoepithelioma, lymphoepithelioma-like carcinoma, nasopharyngeal type undifferentiated carcinoma, Schmincke tumor, Schmincke tumour, Schminke tumor, Schminke tumour — per MONDO