ABSTRACT
Leg length inequality (LLI) may be due to an abnormally short or abnormally long limb. A short leg may be due to a congenitally short femur or tibia, congenital hemiatrophy, fracture malunion or growth plate injury. A long leg may be due to a congenital long limb in association with vascular anomalies or neurofibromatosis. Infection may destroy an epiphysis, causing shortening or, conversely, may cause overgrowth due to chronic osteomyelitis. Abnormalities of bone growth may produce a leg length discrepancy or bilateral short limbs (enchondromatosis, achondroplasia).
