What's the Diagnosis? By Dr. Sarab Sodhi

A 53 y.o. female complains of pain in her right wrist after a fall. She has mild swelling of her dorsal wrist with tenderness. What's the diagnosis? (scroll down for answer)













Answer:  Scapholunate dislocation


Scapholunate dislocation

  • Most common ligamentous injury of the wrist.
  • Results from hyperextension of scapholuntae ligament.
  • Radiograph reveals a >3mm separation between these two carpal bones - known as the "Terry Thomas sign
  • Immobilization and referral to orthopedics are appropriate, surgery sometimes required.