The Onodi cell is the most posterior ethmoidal cell that pneumatises laterally and superiorly to the sphenoid sinus.1 The optic nerve runs close to the small cavity of the Onodi cell. A mucocele is a ...

If the infection is in the posterior ethmoids and sphenoid ... In both types of sinusitis, one may have suppurative rhinorrhea, nasal obstruction, postnasal drainage, and pharyngitis.

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

Dr. Ransom is a graduate of the University of Iowa College of Medicine (1962) and was certified by the American Board of Allergy and Immunology in 1974. He is a Fellow of the American College of ...