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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...

About VisualDx

VisualDx is an award-winning diagnostic clinical decision support system that has become the standard electronic resource at more than half of U.S. medical schools and more than 1,500 hospitals and institutions nationwide.  VisualDx combines clinical search with the world's best medical image library, plus medical knowledge from experts to help with diagnosis, treatment, self-education, and patient communication. Expanding to provide diagnostic decision support across General Medicine, the new VisualDx brings increased speed and accuracy to the art of diagnosis. Learn more at