•
6 pts grade 1-2
bone growth abnormaliDes
Age < 15 years
Median limb discrepancy
2.5 cm ( range1-7cm)
Age ≤ 10 years 4.2cm
Age > 10 years 1.5 cm
>50-60% of the pts with lower extremity RT
need at least 1 orthopedic op aCer treatment