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Rolando fractureOrthopedics A 3-part comminuted intraarticular fracture/dislocation at the base of the thumb/1st metacarpal, in which a large dorsal fragment of the metacarpal continues to articulate with trapezium. See Fracture. Cf Bennett fracture.
Ro·lan·do frac·ture(rō-lahn'dō frak'shŭr)
Fracture to the base of the first metacarpal with vertical extension into the joint as a T or Y fracture.
A comminuted intra-articular fracture of the base of the first metacarpal with distal fragment subluxation. This fracture is similar to a Bennett fracture, but with more comminution.
See also: Rolando, Luigi