The Rolando fracture is really a fracture-dislocation of the base of the first metacarpal. The fracture is intraarticular and comminuted, distinguishing it from the noncomminuted Bennett fracture. There are usually three main fracture fragments.
AP radiograph of the first digit. This demonstrates the comminuted intraarticular fracture at the base of the first metacarpal, a Rolando fracture.
