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What is Bennett's fracture is fracture dislocation of base of which of the following metacarpal? and explain in detail?
Bennett's fracture dislocation is paial aicular fracture of 1st metacarpal base with trapeziometacarpal dislocation/ subluxation. Also know Rolando's fracture dislocation: It is complete fracture of 1st metacarpal. It involves whole aicular surface with comminuted T or Y intraaicular fracture. Ref: Apley's 8/e, Page 631-32; Watson Jones: fracture & Joint injuries 6/e, Page 760-62; Rockwood & Green's Fracture in Adults 6/e, Page 836-42.