Stilianos Kountakis, MD, PhD, and Joshua Yelverton, MD, discuss the differences in sinonasal symptoms and clinical findings between patients with primary headache syndrome and chronic rhinosinusitis.
![Advanced Diagnostic Tests Help Clinicians Assess Dizziness, Vestibular System](https://www.enttoday.org/wp-content/uploads/2015/01/Slider_Image-diziness-145x85.png)
Stilianos Kountakis, MD, PhD, and Joshua Yelverton, MD, discuss the differences in sinonasal symptoms and clinical findings between patients with primary headache syndrome and chronic rhinosinusitis.