Blount's Disease
Alternate Names : Tibia Vara
Definition Blount's disease is a growth disorder of the tibia (shin bone) that causes the lower leg to angle inward, resembling a bowleg.
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Overview, Causes, & Risk Factors
Blount's disease occurs in young children and adolescents. The cause is unknown but is thought to be related to weight-related effects on the growth plate. The inner part of the tibia, just below the knee, fails to develop normally, causing angulation of the bone.
Unlike bowlegs, which tend to correct as the child develops, Blount's disease is progressive and the condition worsens. It can cause severe bowing of the legs and can affect one or both legs.
The condition is more common among African-American children. It is also associated with obesity and early walking. There does not appear to be an obvious genetic factor.
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