This systematic approach is the theoretical basis of functional endoscopic sinus surgery. When performing FESS however, knowledge of the nasal and sinus cavity anatomy, as well as its relationship ...

Functional endoscopic sinus surgery (FESS) is the traditional way of tackling sinusitis. Carried out under either general or local anaesthetic, special instruments are used to cut small pieces of ...

This minimally invasive procedure, known as functional endoscopic sinus surgery (FESS), not only clears the sinuses but also ...

The patient underwent functional endoscopic sinus surgery (FESS) and debridement. Pathology revealed Aspergillus without any bony invasion.