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Differential Diagnosis

  • Achille’s tendon rupture
  • Ankle dislocation
  • Metatarsal fracture
  • Posterior malleolar fracture
  • Talar dome injury
Man with Acute Ankle Injury XR Resolution

Diagnosis

The patient sustained an isolated posterior malleolar fracture.

Learnings/What to Look for

  • Typically, this injury is the result of acute foot flexion
  • Relevant to imaging, the injury is often visible only on the lateral view
  • This injury usually occurs in association with bimalleolar or trimalleolar fracture, but in this case is isolated

Pearls for Urgent Care Management

  • Surgery is often required
  • Postoperative care typically requires that the patient be non–weight-bearing for 6 weeks before initiating physical therapy

Acknowledgment: Image and case presented by Experity Teleradiology (www.experityhealth.com/teleradiology).

A Young Man with Acute Ankle Injury