Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Psoriatic arthritis
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Marginal bone erosions of the head of the second metacarpal bone.
Case Discussion
Radiographs of the hands demonstrate psoriatic arthritis.
These images are from Dr. John Hunter's amazing MSK collection. Dr. John Hunter is a professor in the department of radiology (musculoskeletal section) at UC Davis School of Medicine.
This case was donated to Radiopaedia.org by Radswiki.net.