Endoscopic Direct "Draf IIa" (Carolyn's Window Approach) Versus Endoscopic Angled "Draf IIa"Approach in Chronic Rhinosinusitis With Frontal Sinus Affection ( A Comparative Study ).
ConditionsChronic Rhinosinusitis (CRS)Frontal SinusitisDraf I or IIaFunctional Endoscopic Sinus Surgery (FESS)
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-60
SponsorAssiut University