External ethmoidectomy.
Complete exploration and exenteration of the ethmoid labyrinth are best done via a transorbital approach. Since the anatomy is consistent and directly visualized, the complication rate is lower with this approach although it is used primarily for more extensive or recurrent disease.
D005004:Ethmoid Bone / Q000601:surgery; D005005:Ethmoid Sinus / Q000601:surgery*; D006801:Humans; D008722:Methods; D009915:Orbit; D011183:Postoperative Complications; D012008:Recurrence; D012852:Sinusitis / Q000601:surgery*