Sarah Kizilbash, MD

A 15-year-old boy presents with pain in the medial aspect of his right elbow that began 4 to 6 weeks earlier and progressively worsened.

A 10-year-old girl had pain in her left arm after falling off a bunk bed 4 days earlier. She denied fevers or other trauma. Since the fall, she had had difficulty in bearing weight on the arm. Her medical and family histories were unremarkable.