Medial epiphysiolysis for stage IV infantile tibia vara. A, Metaphyseal bone and Blount lesion to be excised is outlined. B, Three-dimensional reconstruction from CT showing extent of abnormally depressed epiphyseal bone anteriorly. Arrow indicates cleft on the anterior surface of the metaphysis where initial resection for epiphysiolysis begins. C and D, Lateral and posterolateral views of the metaphyseal beak.