What is this painful medial foot bump in a child?

Lauren R Condon¹, Joshua M Abzug

• ¹Lauren R. Condon practices pediatric orthopedics at the University of Maryland Medical Center in Baltimore, Md. Joshua M. Abzug is an associate professor in the departments of orthopedics and pediatrics at the University of Maryland School of Medicine, director of the University of Maryland Brachial Plexus Clinic, director of pediatric orthopedics at the University of Maryland Medical Center, and deputy surgeon-in-chief at the University of Maryland Children's Hospital, all in Baltimore. The authors have disclosed no potential conflicts of interest, financial or otherwise.