Case: Bone & joint disease radiograph #63609850
Bone & joint disease Intermediate
Read this radiograph systematically before revealing the answer. What is the main abnormality?

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Answer: Rheumatoid arthritis
What to look for in rheumatoid arthritis
- Periarticular osteopenia.
- MCP/PIP marginal erosions.
- Ulnar deviation.
Description by the image author (may be in another language): X-ray of right fourth proximal interphalangeal (PIP) joint with bone erosions by rheumatoid arthritis . Taken November 2003. It is partially healed on this follow-up X-ray after treatment with conventional disease-modifying antirheumatic drugs (DMARDs), compared to one year earlier: File:X-ray of right fourth PIP joint with bone erosions by rheumatoid arthritis.jpg
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.





