Ankle

Ankle osteochondral lesions

Fracture talus through articular cartilage into subchondral bone

- 2° force transmitted from distal tibia

Osteochondritis dissecans v osteochondral fracture

6% ankle sprains

Average age = 25

M > F

Chronic instability due to rupture of one or more parts of the lateral ligament

Progressive injury

1. Anterolateral capsule

2. ATFL

3. CFL

Can lead to ankle OA over time

Ankle OA Post Lateral Ligament Instability

Charcot Foot AP Charcot Foot Lateral

Neuropathic Arthropathy

Progressive destructive arthropathy 2° to neurological condition

- usually minimal to no trauma