title: Pathology quiz case 1. Cemento-ossifying fibroma (COF).
authors.affiliation: University of Texas, Southwestern Medical Center, Dallas, TX, USA.
authors.forename: Peter
authors.initials: P
authors.lastname: Manes
authors.forename: Yisheng V
authors.initials: YV
authors.lastname: Fang
authors.forename: Matthew W
authors.initials: MW
authors.lastname: Ryan
mesh_terms: D000293:Adolescent; D001706:Biopsy; D003937:Diagnosis, Differential; D004724:Endoscopy; D005005:Ethmoid Sinus / Q000473:pathology*; D005260:Female; D018214:Fibroma, Ossifying / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D014057:Tomography, X-Ray Computed