CT scan showing bilateral ethmoid and maxillary disease ... but it is not the study of choice for evaluating sinus disease. It does not outline the bone, whereas CT allows excellent visualization ...

a thin bone that splits the left and right sides of the nasal cavity. When papillomas develop in your sinuses, they most commonly occur in the ethmoid sinus near your eyes and your maxillary sinus ...

Anatomy and physiology of the sinuses and sinusitis. Sinusitis is defined as an inflammation of the lining of the membranes of any of the paranasal sinuses. The sinuses are lined with ciliated ...