title: New bone formation in nasal polyps.
mesh_terms: D000328:Adult; D005004:Ethmoid Bone / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D009298:Nasal Polyps / Q000000981:diagnostic imaging / Q000601:surgery*; D009364:Neoplasm Recurrence, Local / Q000000981:diagnostic imaging* / Q000601:surgery; D009999:Ossification, Heterotopic / Q000000981:diagnostic imaging* / Q000601:surgery; D011183:Postoperative Complications / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed