“…In 19 cases, stapes lesions including fracture, subluxation into the vestibule, and PLF from the oval window were confirmed intraoperatively. Moreover, 1 case after stapedectomy (17), with hearing recovery after conservative therapy, was included as positive for stapes lesion since CT clearly revealed subluxation of the stapes prosthesis into the vestibule. Among the resulting 20 cases, 6 (30%) showed improvement in air conduction hearing threshold (Table 2D).…”