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 sinuses ...

The function of the paranasal sinuses is not clear, but theories include humidification and warming of inspired air, lightening of the skull, improvement of vocal resonance, absorption of shock to the ...

There are 4 sets of sinuses ordinarily present in humans, but congenital absence or hypoplasia of one or more sinus cavities is not uncommon. The maxillary and ethmoidal sinuses form during the third ...

Diagnosis of chronic sinusitis may be extremely difficult because patients commonly have vague symptoms. Unless sinusitis is suspected as a possible cause of symptoms, it may go undiagnosed. As a ...

SinuSys Corporation, an innovative sinus health company, announced receipt of FDA clearance for a full family of sinus dilation devices, adding two new devices that will expand the company’s portfolio ...

The sinuses are four hollow spaces on both sides of your face and head. They're connected by narrow channels that allow air and fluids to flow between your nose and throat. If you have inflammation in ...

Acute sinusitis is inflammation of mucosa lining of one or more paranasal sinuses. In children, most cases begin as a viral infection that extends from nasal mucosa (rhinitis) onto the mucosal lining ...

CPT copyright 2011 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Editor’s Note: This article ...

CPT copyright 2010 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Editor’s Note: This article ...