Kohlers Disease is a problem with the navicular bone in the arch of the foot in young kids with a peak incidence around are 5 years. It usually presents as a ache on the top of the arch of the foot and often also causes the child to limp. Kohlers Disease is due to a temporary block in the vascular supply to the bone to cause an osteochondrosis or softening of the bone. The exact cause of this is not known, but is often thought to be biomechanical as the bone is an important part of the arch of the foot. On x-ray the bone appears more sclerotic and thinner than the other side:
The treatment of this condition is the use of a cast or splint with a period of non-weight bearing to allow the bone to heal.
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