Anterior ethmoidectomy by intranasal approach	Endoscopic ethmoidectomy	Intranasal frontal recess dissection
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Functional endoscopic sinus surgery - anterior ethmoidectomy and frontal recess dissection (procedure)
	Functional endoscopic sinus surgery - anterior ethmoidectomy and frontal recess dissection
	FESS (functional endoscopic sinus surgery) anterior ethmoidectomy and frontal recess dissection
	anterieure etmoïdectomie en dissectie van recessus frontalis met functionele endoscopische sinuschirurgie
	anterieure etmoïdectomie en dissectie van recessus frontalis met FESS

Id	172924008
Status	Primitive

Method	Excision - action
Procedure site - Direct	Structure of anterior cells of ethmoid sinus
Surgical approach	Intranasal approach
Using access device	Endoscope

Method	Dissection - action
Procedure site - Direct	Frontal recess
Surgical approach	Intranasal approach
Using access device	Endoscope