Internal Auditory Canal Diverticula in Children: A Congenital Variant.

Objectives/hypothesis: Internal auditory diverticula in adults have been found to exist independent of otosclerosis, and in the presence of otosclerosis. We sought to determine the prevalence of internal auditory canal (IAC) diverticula in a pediatric cohort, to assess whether IAC diverticula are a risk factor for hearing loss, and the co-occurrence of otic capsule hypoattenuation.

Study Design: Retrospective review.

Predictors of Success on the ABR Core Examination.

Introduction: The ABR Core Examination tests the comprehensive radiology curriculum. On first attempt, 10% of radiology residents fail. This study investigates factors that predict success or failure on the examination.