Clinical Data
32-year-old male:
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After fall from about 1 meter high
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Felt a snap in his knee
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Instability
What are the findings on the radiograph?
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Deep lateral notch (sulcus) sign on lateral projection
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Suprapatellar effusion
What’s the next best step and why?
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MRI of the knee, due to high index of suspicion for ACL tear
What is the final diagnosis?
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Patient had additional abnormalities of the knee not shown.
Full-thickness ACL tear
