Professor of Rhinology & Skull Base Surgery, Ain Shams University, Cairo, Egypt
Department of Oto-Rhino-Laryngology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
4-
FESS: Basic Steps with
Different Techniques
FESS includes successive operative steps that can be accomplished with different techniques:
C- Frontal Sinusotomy & Frontal Recess Clearance
