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Killian operation

Pronunciation: kil'e-an

Definition: a rarely used surgical procedure for frontal sinus disease in which the entire anterior wall of the frontal sinus is removed with curettage of the mucous membrane; the ethmoid cells are removed through an opening in the nasal process of the maxillary bone. The upper portion of the medial wall of the orbit is also removed.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.