However, plain film radiographs provide poor visualization of the ethmoid sinus due to density averaging. Plain films are therefore useful for diagnosing frontal and maxillary sinus disease but ...

A sinus infection, also known as sinusitis ... (frontal sinuses), several between your eyes and behind your nose (ethmoid sinuses), and two in your cheeks (maxillary sinuses), adds Glen Porter ...

All cases of orbital cellulitis were associated with sinusitis; ethmoid sinusitis was present in 40 (98%) patients. Proptosis and/or ophthalmoplegia was documented in 30 (73%), and 34 (83% ...