Navicular avascular necrosis (Köhler disease)
5 year old African male presented with pain at both feet for a few months, denied any preceding trauma to the foot. Mild tenderness over anteromedial aspect of both feet, No increased warmth, or swelling. ROM both ankle joints were normal. Walking with a painful gait, with weight bearing over lateral aspect of both feet.
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The navicular bone appear wafer-like (thinned) and fragmented, and also demonstrates patchy sclerosis.
The findings are compatible with avascular necrosis of navicular bone which is also called Köhler disease.
- A. Köhler. Über eine häufige, bisher anscheinend unbekannte Erkrankung einzelner kindlicher Knochen. Münchener medizinische Wochenschrift. 1908, 55: 1923-1925.
- Stanton BK, Karlin JM, Scurran BL. Köhler's disease. J Am Podiatr Med Assoc. 1992;82 (12): 625-9. - Pubmed citation