Thymus Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A rare primary thymus carcinoma characterized by the presence of keratinizing or non-keratinizing malignant squamous cells. Approximately 10-20% of cases occur in combination with thymoma. The prognosis depends on the tumor stage and the degree of cellular differentiation.

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