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Image Quiz Trauma to the Knee1 | ||||||||||
| A twenty-three-year-old man is descending stairs rapidly when he feels his knee "give way" just before he falls. He notes a rapid onset of knee swelling that continues during the next three hours. Anteroposterior and lateral radiographs of the knee demonstrate an effusion but no bone injury. | ||||||||||
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What imaging test would you order next? | ||||||||||
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