Stepped on another player's foot and felt a pop in the ankle

Case
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  • Stepped on another player’s foot and felt a pop in the ankle
  • Long- and short-axis fat- and water-weighted images were performed. 1.5T High Field Oval
  • Effusion and hemarthrosis.
  • Anterior talofibular ligament ruptured.
  • Calcaneofibular ligament ruptured.
  • Posterior talofibular ligament swollen but intact.
  • High ankle and syndesmosis normal.
  • Peroneal retinaculum torn.
  • Peroneus longus and brevis normal.
  • Medial tendon group normal.
  • Anterior tendon group normal.
  • Posterior tendon group normal.
  • Subtalar ligaments abnormal:
    • a. Talocalcaneal interosseous ligament intact.
    • b. Cervical ligament ruptured.
    • c. Inferolateral retinaculum or stem ligament torn.
  • Skeleton: No fractures no OCDs and large os trigonum.
  • Soft Tissues: Large anterolateral hematoma with soft tissue swelling
  • Two part ankle sprain/rupture low ankle.  High ankle spared.  Hematoma.  Subtalar ligamentous injury involving cervical and inferolateral ligamentous complex

Related Diagnoses

Diagnosis Definitions

Lateral Ankle Sprain

Ankle, MSK,