Surgical Management for Dysplastic or Congenitally Absent Oval Window.

Objective: To evaluate surgical findings and hearing results for patient's undergoing the described surgical approach for congenitally absent or dysplastic oval window (OW).

Study Design: The Institutional Review Board approved retrospective review of patients with conductive hearing loss (CHL) operated on from 1992 to 2016.

Setting: Academic tertiary center.