Is it possible to predict diffuse obliterative otosclerosis preoperatively by audiologic examination

Patients with diffuse obliterative otosclerosis have more extensive footplate pathology than annular cases. As a result of this more skill is required for diffuse otosclerosis cases, and postoperative hearing results are usually worse than annular cases. In this retrospective study we compared the preoperative audiological features of annular and diffuse...