The sinuses are hollow spaces in the skull and the face bones around your nose. There are four pairs of sinuses, named for the bones that they’re located in. The sinuses collectively are called ...

Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired ...

Like many other cancers, sinus and nasal cavity cancer may be linked to damage in the DNA within your cells. Doctors aren’t totally sure this is the case, but they’ve found a number of factors ...