Diagnosis: Dislocation of the thumb
Modality: X-Ray
Findings on Imaging:
- An X-ray of the hand may show displacement of the metacarpal bone of the thumb away from the joint, indicating a dislocation.
- The displaced bone may be visible on the X-ray as a gap or space between the metacarpal bone and the proximal phalanx of the thumb.
- In some cases, there may be associated fractures or soft tissue injuries seen on the X-ray.
Next Steps in Management:
- Management of a thumb dislocation depends on the severity of the injury and the presence of associated fractures or soft tissue injuries.
- Treatment options may include reduction of the dislocation (realigning the bones), immobilization of the joint, pain management, and physical therapy.
- Regular imaging follow-up is recommended to monitor for healing and to detect any complications such as joint instability or arthritis.
Key Take Away Points:
- Dislocation of the thumb can result from trauma or injury to the hand, causing displacement of the metacarpal bone away from the joint.
- X-ray imaging of the hand can help diagnose a thumb dislocation, showing displacement of the bone and any associated fractures or soft tissue injuries.
- Treatment of a thumb dislocation may include reduction of the dislocation, immobilization of the joint, pain management, and physical therapy.
- Regular imaging follow-up is recommended to monitor for healing and detect any complications such as joint instability or arthritis.
Credit: Submitted by radiologist Dr. Ellie Goulding M.D. to radRounds Radiology Network
