Pterygoid plate and maxillary sinus invasion can be assessed by either axial or coronal imaging. Tumor in the posterior ethmoid, ethmoid bulla and sphenoethmoid recess spreading to the sphenoid ...

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 ...