Bow leg

Bow leg or genu varum is a physical deformity where the legs curve outwards in the shape of a bow, hence the name. This condition is typically observed in children between the ages of 1 and 3.

Causes

Bow leg is usually a result of vitamin D deficiency, which leads to a condition known as rickets. Other causes can include Blount's disease, bone dysplasia, and lead poisoning. In some cases, bow leg is a normal part of a child's growth and development and will correct itself over time.

Diagnosis

Diagnosis of bow leg is typically made through a physical examination. The doctor may also order x-rays to rule out other conditions that could be causing the bowing. In some cases, a blood test may be done to check for vitamin D deficiency or lead poisoning.

Treatment

Treatment for bow leg depends on the underlying cause. If the bowing is due to rickets, treatment may involve vitamin D and calcium supplements. If the cause is Blount's disease, surgery may be required. In most cases, however, no treatment is necessary as the condition will correct itself as the child grows.

Prognosis

The prognosis for bow leg is generally good. Most children with this condition will see their legs straighten out by the age of 7 or 8. However, if the condition is caused by an underlying disease or condition, the prognosis may depend on the treatment of that condition.

See also

• Knock knees
• Rickets
• Blount's disease

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