Imaging-identified round window niche veil and intratympanic therapy efficacy in sudden sensorineural hearing loss
Abstract Background Intratympanic (IT) therapy is a common procedure to deliver drugs into the cochlear for the treatment of inner ear diseases. Round window niche veil (RWNV) is an extra anatomical barrier potentially impending drug delivery. However, RWNV’s identification is neglected, and its effect on IT efficacy a...