Ethmoid Sinusitis |
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| Ethmoidal Sinusitis; Ethmoid Sinusitides; Ethmoidal Sinusitides; Sinusitides, Ethmoid; Sinusitides, Ethmoidal; Sinusitis, Ethmoidal | |
| Inflammation of the ethmoid sinus. It may present itself as an acute (associated with viral rhinitis) or chronic (associated with allergic or hyperplastic sinusitis) condition. | |