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The patient is a 58-year-old male who presents with a painful mass at the lower aspect of his right knee. He denies any impact to his leg, but reports that the pain started “some time ago,”
getting progressively worse.
Review the image taken and consider what the diagnosis and next steps would be. Resolution of the case is described on the next page.
A 58-Year-Old Male with a Painful Mass on His Knee
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