title: Imaging quiz case 1. Osteoma of the ethmoidal sinus.
authors.forename: P C
authors.initials: PC
authors.lastname: Huang
authors.forename: G
authors.initials: G
authors.lastname: Misko
mesh_terms: D000328:Adult; D005005:Ethmoid Sinus; D006801:Humans; D008297:Male; D010016:Osteoma / Q000000981:diagnostic imaging* / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D014057:Tomography, X-Ray Computed