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Diseases

Genetic and Rare Diseases Information Center (GARD)

Kohler disease


Other Names for this Disease
  • Aseptic necrosis of the tarsal bone
  • Kohler's Disease
  • Kohler's Disease of the Tarsal Navicular
  • Kohler's Osteochondrosis of the Tarsal Navicular
  • Navicular Osteochondrosis
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Cause

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What causes Kohler disease?

The exact underlying cause of Kohler disease is unknown. However, some scientists suspect that it may be caused by excessive strain on a certain bone of the foot (tarsal navicular bone) and its associated blood vessels before the bone is completely ossified (hardened).[1]

Bone ossification usually begins at age 18-24 months in girls and at age 24 to 30 months in boys. As the child grows, their foot is required to support more weight. Ossification of the tarsal navicular bone often occurs more slowly than the other bones of the foot. Consequently, surrounding bones may compress it and its blood vessels resulting in osteonecrosis and ischemia (a loss of blood supply).[1]
Last updated: 2/18/2015

References
  1. Bernardo Vargas. Kohler Disease. Medscape Reference. September 2014; http://emedicine.medscape.com/article/1234753-overview.


Other Names for this Disease
  • Aseptic necrosis of the tarsal bone
  • Kohler's Disease
  • Kohler's Disease of the Tarsal Navicular
  • Kohler's Osteochondrosis of the Tarsal Navicular
  • Navicular Osteochondrosis
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.