Endoscopic procedure	Extended ethmoidectomy
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Functional endoscopic sinus surgery - sphenoethmoidectomy (procedure)
	FESS - Functional endoscopic sinus surgery - sphenoethmoidectomy
	Functional endoscopic sinus surgery - sphenoethmoidectomy
	functionele endoscopische sfeno-etmoïdectomie

Id	315618009
Status	Primitive

Procedure site - Direct	Sphenoid sinus structure
Using access device	Rhinoscope

Method	Excision - action
Procedure site - Direct	Ethmoid sinus structure