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Hand & Upper Limb
intermediate
X-Type

Bennett's Fractures - Diagnosis and Management

Thumb Injuries

A 28-year-old man presents after punching a wall. He has pain and swelling at the base of his right thumb. Radiographs show an oblique fracture at the base of the first metacarpal with a triangular volar-ulnar fragment remaining in place and proximal-radial displacement of the metacarpal shaft. There is 3mm of articular step-off. Regarding Bennett's fractures:

Mark each as TRUE or FALSE

A

A Bennett's fracture is an intra-articular fracture-subluxation of the first carpometacarpal (CMC) j...

B

Deforming forces include abductor pollicis longus (APL) causing proximal and radial displacement, ad...

C

Non-operative management with thumb spica casting is the treatment of choice for most Bennett's frac...

D

Operative indications include articular step-off greater than 1mm or subluxation that cannot be redu...

E

A Rolando fracture is a comminuted (T or Y-shaped) intra-articular fracture of the first metacarpal ...

Answer the questions to see explanations

Click T (True) or F (False) for each option