OverviewThe external structures of the ear may aid in diagnosing some conditions by the presence or absence of normal landmarks and abnormal features including: earlobe creases, preauricular pits, and preauricular tags.
Update Date 4/21/2015
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.