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The patient is a 15-year-old boy who experienced a blow to both ankles and the right knee two days ago.
You observe that he can bear weight only minimally, with tenderness over the lateral and medial malleolus, as well as over the knee. You also observe there is marked swelling.
View the x-ray taken and consider what your diagnosis and next steps would be.
15-year-old boy experienced a blow to both ankles
Nahum Kovalski, BSc, MDCM
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