NCIt synonyms : Benign Neoplasm of the Sphenoid Sinus; Benign Tumor of Sphenoidal Sinus; Benign Sphenoid Sinus Tumor; Benign Neoplasm of Sphenoidal Sinus; Benign Neoplasm of Sphenoid Sinus; Benign Sphenoidal Sinus Neoplasm; Benign Neoplasm of the Sphenoidal Sinus; Benign Tumor of the Sphenoid Sinus; Benign Tumor of Sphenoid Sinus; Benign Tumor of the Sphenoidal Sinus; Benign Sphenoidal Sinus Tumor;
NCIt definition : A neoplasm that arises from the sphenoid sinus and is characterized by the absence
of atypical or malignant cytological and architectural features, and absence of invasive
features or metastatic potential.;