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A 28-year-old man falls on his outstretched right hand while playing soccer. He noticed a painful swelling on the radial side of the wrist. It took him another 14 days before seeking help.
At the hand surgery service, a scaphoid fracture was suspected and x-rays were ordered.
Examination findings
The waist on the radial side of the wrist is swollen, and radial inclination and extension are restricted. Pressure pain is reported at the tabatière. An X-ray diagnosis is arranged.
The radiographs of the wrist in two planes show no scaphoid fracture.
What additional diagnostic procedure should be performed?
