NCIt synonyms : Benign Paranasal Sinus Tumor; Benign Nasal Sinus Tumor; Benign Neoplasm of Nasal Sinus; Benign Tumor of Accessory Sinus; Benign Tumor of the Paranasal Sinus; Benign Tumor of the Accessory Sinus; Benign Nasal Sinus Neoplasm; Benign Neoplasm of the Nasal Sinus; Benign Tumor of Paranasal Sinus; Benign Tumor of the Nasal Sinus; Benign Neoplasm of the Paranasal Sinus; Benign Neoplasm of the Accessory Sinus; Benign Neoplasm of Paranasal Sinus; Benign Accessory Sinus Neoplasm; Benign Tumor of Nasal Sinus; Benign Neoplasm of Accessory Sinus; Benign Accessory Sinus Tumor;
NCIt definition : A neoplasm that arises from the paranasal sinuses and is characterized by the absence
of atypical or malignant cytological and architectural features, and absence of invasive
features or metastatic potential. Representative examples include Schneiderian papilloma
and salivary gland-type adenoma.;