Computerized tomography. A significant number of patients with chronic sinusitis, especially involving ethmoid or sphenoid cells, can not be adequately diagnosed by plain films. CT scans done ...

Axial CT scan through the ethmoid sinuses revealing complete opacification of the right anterior and posterior ethmoids as well as the right sphenoid sinus. The hyperdensities are evident within ...

These polyps are growths found in the sinus areas, including the maxillary, ethmoid, frontal, and sphenoid sinuses, although ...