Case: Upper limb radiograph #4646155
Upper limb Beginner
Read this radiograph systematically before revealing the answer. What is the main abnormality?
Image: James Heilman, MD via Wikimedia Commons · CC BY-SA 3.0 · source · resized and converted to WebP
Tip: scroll or pinch to zoom, drag to pan, and try Invert.
Answer: Finger (interphalangeal) dislocation
What to look for in finger (interphalangeal) dislocation
- Loss of congruity of an interphalangeal or metacarpophalangeal joint.
- The distal bone is usually displaced dorsally.
- After reduction, look for associated avulsion fractures (for example a volar plate fragment).
Description by the image author (may be in another language): Traumatic dislocation of the proximal interphalangeal joint.
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.
