Definition of "rhinosinusitis" [rhinosinusitis]

• A rhinitis combined with sinusitis. (noun)

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• "Chronic sinusitis, also known as rhinosinusitis, is defined as allergic and non-allergic sinus inflammation lasting at least three months."
• "An inflammation of the sinus cavities - rhinosinusitis which is commonly referred to as a sinus infection is a common but expensive condition in the United States."
• "Treatment of acute and chronic rhinosinusitis in the United States, 1999–2002."