title: Transcanal mastoidectomy restoring an aerated antrum.
mesh_terms: D002781:Cholesteatoma / Q000601:surgery*; D004424:Ear Canal; D004428:Ear Neoplasms / Q000601:surgery*; D005205:Fascia / Q000637:transplantation*; D005500:Follow-Up Studies; D005780:Gelatin; D006801:Humans; D008416:Mastoid / Q000601:surgery*; D008722:Methods; D010033:Otitis Media / Q000601:surgery*; D010521:Periosteum / Q000601:surgery*; D019736:Prostheses and Implants; D016038:Skin Transplantation; D014433:Tympanoplasty
chemical_list: D005780:Gelatin