Blount's disease (congenital tibia vara)
History of bowed legs for 5 years.
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- Fragmentation of medial tibial epiphysis on both sides.
- Irregular medial physeal line on both sides.
- Beaking of proximal medial tibial metaphysis on both sides.
- Bone bridge across the medial physis on the left side.
- Metaphyseal-diaphyseal angle (MDA) >11° on both sides (22° on right and 45° on left).
- Tibiofemoral angle (TFA) >15° on both sides; tibia vara (37° on right and 39° on left).
Findings are consistent with infantile form of Blount's disease (also known as tibia vara) which refers to a local disturbance of growth of the medial proximal tibial epiphysis.
- Langenskiöld A. Tibia vara. A critical review. Clin. Orthop. Relat. Res. 1989;(246): 195-207. - Pubmed citation