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Medical Definition of Paranasal sinus neoplasms
1. Neoplasms or tumours 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 tumours. (12 Dec 1998)
Lexicographical Neighbors of Paranasal Sinus Neoplasms
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