NCIt synonyms : Sphenoidal Sinus Squamous Cell Carcinoma; Squamous Cell Carcinoma of Sphenoidal Sinus; Epidermoid Carcinoma of the Sphenoidal Sinus; Sphenoidal Sinus Epidermoid Carcinoma; Squamous Cell Carcinoma of Sphenoid Sinus; Squamous Cell Carcinoma of the Sphenoid Sinus; Epidermoid Carcinoma of Sphenoidal Sinus; Epidermoid Carcinoma of Sphenoid Sinus; Epidermoid Carcinoma of the Sphenoid Sinus; Squamous Cell Carcinoma of the Sphenoidal Sinus; Sphenoid Sinus Epidermoid Carcinoma;
NCIt 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.;