Obstruction of the normal drainage patterns in the area of the osteomeatal complex is a major contributing factor in the pathogenesis of chronic sinusitis, a common disease which afflicts 35 to 40 ...

Diagnosis of chronic sinusitis may be extremely difficult because patients commonly have vague symptoms. Unless sinusitis is suspected as a possible cause of symptoms, it may go undiagnosed. As a ...

Ethmoid sinusitis is the inflammation of a specific group of sinuses — the ethmoid sinuses — which sit between the nose and eyes. The ethmoid sinuses are hollow spaces in the bones around the nose.