The x-ray shows abnormality around the distal IP joint of the index finger and there are well-defined punched out, periarticular erosions with overhanging margins. There is a surrounding soft tissue swelling which is compatible with a tophus. These findings are consistent with a tophaceous gout.
click to enlarge
Causes of distal IP joint arthritis are:
In contrast, rheumatoid arthritis involves the PIP joint.
Rate this post
Rating: 4.5/5 (2 votes cast)
Imaging Case of the Week 92, 4.5 out of 5 based on 2 ratings