Bennett fracture

Case contributed by Dr Mohammad Osama Hussein Yonso

Presentation

History of injury to right hand due to falling from a motorbike at the workplace. on examination: abrasion and tenders on the right hand more clearly at the 1st & 2nd metacarpal bones.

Patient Data

Age: 25 years
Gender: Male
X-ray

1st right metacarpal base fracture is noted with intra-articular extension 

Annotated zoomed view

X-ray

1st right metacarpal base fracture is noted with intra-articular extension (arrow)

Case Discussion

A Bennett fracture is a fracture of the articular surface in the base of first metacarpal bone and is considered as an unstable fracture. It is important to distinguish it from a Rolando fracture and a pseudo-Bennett fracture. 

Fractures that extend into the adjacent joint often lead in the future to degeneration of that joint, especially if not treated properly and early.

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