Does the nail discoloration in this boy signal an underlying disorder?

NIRAV SHASTRI, MD and MILTON FOWLER, MD
Children’s Mercy Hospital and Clinics, University of Missouri–Kansas City

Dr Shastri is associate professor of pediatrics at the University of Missouri–Kansas City and Dr Fowler is director and section chief in the department of pediatrics, Tom Watson Emergency Department, at Children’s Mercy Hospital South, Overland Park, Kansas.

KIRK BARBER, MD, FRCPC––Series Editor: Dr Barber is a consultant dermatologist at Alberta Children’s Hospital and clinical associate professor of medicine and community health sciences at the University of Calgary in Alberta.