KEY POINTS Chronic rhinosinusitis refers to symptomatic inflammation of the nose and paranasal sinuses that has been present ...

A careful history looking for the subtle symptoms of sinusitis ... infection (>3mm in children). [13] Also, the demonstration on radiograph of complete opacification of a maxillary sinus often ...

Sinusitis is classified as acute or chronic based on the duration of the infection. Acute sinusitis ... information on the condition of the maxillary and frontal sinuses. Endoscopic examination ...

Fletcher says. A sinus infection becomes chronic when it lasts for more than 12 weeks with recurring episodes, he adds. The length of a sinus infection also depends on the cause, Dr. Ortiz says.

causing infection. 'Colonization with microorganisms is a common problem in patients with chronic sinusitis and polyps, but the reasons for this are incompletely understood,' says Andrew Lane ...

Sinus infections (also known as sinusitis) strike more than 30 million Americans each year. And if you're one of them, you're ...