Stella E. Lee, MD, and colleagues analyzed TSLP and IL-4 levels in mucus, plasma, polyp, inferior, and middle turbinate tissue collected during FESS in patients with CRSwNP and controls. TSLP and IL-4 ...

Treatment may depend on the cause. A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal cavities become swollen and inflamed. Fluid buildup in the sinuses can allow ...

A careful history looking for the subtle symptoms of sinusitis, (as reviewed in the section on Clinical Presentation), must always be the starting point for diagnosing sinusitis. The physical ...