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Man's Toe Has Painful, Smooth Nodule on the Joint - Let's Diagnose

apr22quiz.jpgA 46-year-old man with a history of alcohol use went to his primary care physician complaining of a painful, smooth nodule located on one of his toe joints. The joint was swollen and warm to the touch. Though the patient did not appear to be ill, it was clear that he was in great discomfort. 

Could it be rheumatoid arthritis? Gout? Calcium pyrophosphate deposition disease? Bursitis?

Check out the differential we created in VisualDx for this case.

The correct answer is...

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