Neoplasm,Paranasal Sinus

《英文msh詞典》Neoplasm,Paranasal Sinus
[入口詞] Neoplasm,Paranasal Sinus
[主題詞] Paranasal Sinus Neoplasms
[英文釋義] 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.