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Osteochondritis Dissecans of TalusAka: Talar OCD

See Also
1. Talar Dome Fracture
Definition
1. Traumatic defect in articular surface of talus
2. Small area necrotic bone formation (Usually medial)
Epidemiology
1. Adolescence or young adulthood
Symptoms
1. Persistent symptoms of "Ankle Sprain" that won't heal
2. Gradual onset with distant history of ankle injury
3. Painful limp
4. Chronic swelling in ankle with activity
Signs
1. Examine ankle with foot in plantar flexion
2. Point tenderness over articular surface of talus
3. Restricted ankle range of motion
Radiology
1. Ankle XRay
  1. Necrotic fragment at joint
2. Bone scan
3. Ankle MRI
Management
1. Nondisplaced fragment
  1. No weight bearing until lesion heals
  2. Cast immobilization often needed
2. Persistent symptoms or fragment detachment
  1. Surgical removal of necrotic fragment

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.