In addition to the lesions seen on the feet of this young man he also had geographic tongue, erythematous plaques on his penis, and arthritis – what HLA type is associated with this syndrome?

A. HLA-B27

B. HLA-B51

C. HLA-DR1

D. HLA-DR3

E. HLA-DQW2

To find out the correct answer and read the explanation, click here.

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