Sabre Shin
DiffDx Non-progressive, bilateral and symmetrical anterior bowing of the tibia and fibula may be seen in achondroplasia, type IX Ehlers-Danlos syndrome, enchondromatosis, fibrous dysplasia, excess fluoride ingestion in pregnancy, hyperparathyroidism, hyperphosphatasia, neurofibromatosis, osteogenesis imperfecta, osteomalacia, osteomyelitis, rickets, thanatophoric dwarfism, Weismann-Netter syndrome