DDx ⬇
- Ankle sprain, eg, anterior talofibular ligament
- Fibular fracture
- Tibial avulsion fracture
- Arthritis, eg, gout, rheumatoid arthritis
- Posterior tibial tendinitis (pain posterior to medial malleolus)
- Peroneal tendonitis (pain at lateral malleolus)
- Arterial insufficiency ulcer with or without osteomyelitis
- Neuropathic arthropathy (Charcot joint)
- Avascular necrosis
Related DDx ⬆