Ortho Dx: Bone lesion in a boy following a fall

A 13-year-old boy presents with pain in his left ankle following a fall 5 days earlier. X-rays taken at an outside urgent care facility show no evidence of fracture. A physical examination reveals pain to palpation over the distal fibula physis consistent with a Salter-Harris type 1 fracture. An incidental bone cyst is noted in the distal tibia, ...