Thymus Lymphoepithelial Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A rare, usually aggressive primary thymus carcinoma characterized by a syncytial growth of undifferentiated carcinoma cells and the presence of a lymphoplasmacytic infiltrate. More than 40% of cases are associated with Epstein-Barr virus infection.

**Synonyms:** - Lymphoepithelial Cancer of Thymus - Lymphoepithelial Cancer of the Thymus - Lymphoepithelial Thymus Cancer - Lymphoepithelioma-like Carcinoma of Thymus - Lymphoepithelioma-like Carcinoma of the Thymus - Lymphoepithelioma-like Thymic Carcinoma - Lymphoepithelioma-like Thymus Carcinoma - Malignant Lymphoepithelial Thymoma - Thymic Lymphoepithelial Carcinoma - Thymic Lymphoepithelioma-Like Carcinoma