OverviewLow set ears (pinna), abnormal rotation, the absence of ears, and abnormal folds in the ear may be associated with various medical conditions.
Review Date 11/19/2015
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.