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 ...

The four paranasal sinuses (maxillary, frontal, ethmoid and sphenoid) develop as outpouchings of the nasal mucosa. They remain connected to the nasal cavity via narrow ostia with a lumen diameter ...

In 1978, Messerklinger [2] documented the first systematic and detailed description of endoscopic findings of the sino-nasal cavity. The work of these investigators consisted of detailed ...

A sinus infection, also known as sinusitis ... (frontal sinuses), several between your eyes and behind your nose (ethmoid ...

Anterior Ethmoidal Artery (AEA): An artery that supplies blood to the anterior part of the ethmoid bone and surrounding structures, important in sinus surgery. Computed Tomography (CT): An imaging ...