Benign Paranasal Sinus Neoplasm

**Semantic type:** Neoplastic Process

**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.

**Synonyms:** - Benign Accessory Sinus Neoplasm - Benign Accessory Sinus Tumor - Benign Nasal Sinus Neoplasm - Benign Nasal Sinus Tumor - Benign Neoplasm of Accessory Sinus - Benign Neoplasm of Nasal Sinus - Benign Neoplasm of Paranasal Sinus - Benign Neoplasm of the Accessory Sinus - Benign Neoplasm of the Nasal Sinus - Benign Neoplasm of the Paranasal Sinus - Benign Paranasal Sinus Tumor - Benign Tumor of Accessory Sinus - Benign Tumor of Nasal Sinus - Benign Tumor of Paranasal Sinus - Benign Tumor of the Accessory Sinus - Benign Tumor of the Nasal Sinus - Benign Tumor of the Paranasal Sinus