Open book pelvic injury

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Motor vehicle collision.

Patient Data

Age: 50 years
Gender: Male
x-ray

Widening and malalignment of the pubic symphysis. Soft tissue attenuates the sacro-iliac joints, and these are difficult to assess. Pelvic binder in situ.  

ct

Widening and malalignment of the pubic symphysis and left sacro-iliac joint compatible with an open book injury. No fracture identified. 

Case Discussion

This case is an example of an open book injury from anteroposterior compression without fracture - the force of the injury has traveled through, and disrupted, the left sacro-iliac joint. 

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