Thymus Basaloid Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A rare primary thymus carcinoma characterized by the presence of tumor cell lobules with peripheral palisading and a basophilic staining pattern. More than half of reported cases were associated with the presence of a multilocular thymic cyst. Metastases to lung and liver have been reported in approximately 30% of cases.

**Synonyms:** - Basaloid Carcinoma of Thymus - Basaloid Carcinoma of the Thymus - Thymic Basaloid Carcinoma - Thymic Basaloid Squamous Cell Carcinoma - Thymus Basaloid Carcinoma