External ethmoidectomy	Operations by approach
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Transorbital ethmoidectomy (procedure)
	Transorbital ethmoidectomy
	Patterson's operation
	transorbitale etmoïdectomie

Id	232505005
Status	Defined

Access	Open approach
Method	Excision - action
Procedure site - Direct	Ethmoid sinus structure

Method	Excision - action
Procedure site - Direct	Ethmoid sinus structure
Surgical approach	Transorbital approach