Sphenoid Sinus Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A squamous cell carcinoma that arises from the mucosal epithelial surface of the sphenoid sinus. Patients may present with nasal fullness, obstruction, and/or epistaxis.

**Synonyms:** - Epidermoid Carcinoma of Sphenoid Sinus - Epidermoid Carcinoma of Sphenoidal Sinus - Epidermoid Carcinoma of the Sphenoid Sinus - Epidermoid Carcinoma of the Sphenoidal Sinus - Sphenoid Sinus Epidermoid Carcinoma - Sphenoidal Sinus Epidermoid Carcinoma - Sphenoidal Sinus Squamous Cell Carcinoma - Squamous Cell Carcinoma of Sphenoid Sinus - Squamous Cell Carcinoma of Sphenoidal Sinus - Squamous Cell Carcinoma of the Sphenoid Sinus - Squamous Cell Carcinoma of the Sphenoidal Sinus