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Some radiology pearls concerning ankle pain and fractures courtesy of David Bostick and Michael Abraham
Maisonneuve fracture – fracture of the medial malleolus with disruption of the tibiofibular syndesmosis with associated fracture of the proximal fibular shaft (http://radiopaedia.org/articles/maisonneuve-fracture)
When to look for high fibular fracture
- Isolated fracture of medial malleolus
- Isolated fracture of malleolus tertius without fracture on the lateral side
- Any painful swelling or hematoma on medial side without a fracture on x-ray
Always look for avulsion fracture of 5th metatarsal styloid in patients with ankle pain and
no obvious fractures
Dans-Weber Classification – for lateral malleolar fractures (http://radiopaedia.org/articles/ankle-fracture-classification-weber)
- Type A – fracture below ankle joint
- Type B – at level of joint with tibifibular joint intact
- Type C – fracture above joint with tears syndesmotic joint