Sinus Cancer Anatomy
To better understand nasopharyngeal cancer, it helps to understand the anatomy of the throat and sinuses.
The pharynx is the upper throat. It begins at the back of the mouth and extends down to the larynx.
The pharynx contains the:
The sinuses are open cavities inside the bones of the face. Sinuses are located between the eyes, under the cheekbones, and in the forehead. They are connected by small channels that run between the sinuses. Normally, the sinuses do not contain fluid. There are four main sinus cavities.
The four main sinuses include:
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