Excision of middle ear structure	Mastoidectomy	Operation on petrous part of temporal bone and middle ear	Partial petrosectomy
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Antrectomy of mastoid (procedure)
	Antrectomy of mastoid
	antrectomie van processus mastoideus
	antrectomie van mastoïd

Id	44022002
Status	Defined

Method	Excision - action
Procedure site - Direct	Mastoid antrum structure