Paranasal Sinus Neoplasms |
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| Neoplasms, Paranasal Sinus; Neoplasm, Paranasal Sinus; Paranasal Sinus Neoplasm; Sinus Neoplasm, Paranasal; Sinus Neoplasms, Paranasal | |
| Neoplasms or tumors of the paranasal sinuses. Malignant neoplasms are rare, comprising 3% of all head and neck neoplasms. The majority arise in the maxillary sinus with malignancies of the ethmoid sinus constituting virtually all the remaining tumors. | |