A sinus infection, also known as sinusitis, occurs when the air cavities around your nasal passages become inflamed and ...

The conventional (or plain film) examination usually consists of Water's, Caldwell's lateral, and basal views of the sinuses. These give excellent visualization of the frontal and maxillary ...

Coronal view of same patient ... Cuts through the expected locations of the frontal and sphenoid sinuses revealed these sinuses absent. Absence or hypoplasia of the paranasal sinuses is a much ...