Windswept pelvis

Last revised by Joshua Yap on 01 Nov 2022

A windswept pelvis fracture is a complex bony pelvic injury caused by a combination of unilateral AP compression (open book) injury with a contralateral lateral compression injury. 

It occurs when the internal rotation of one iliac wing causes a unilateral sacral compression fracture, while the same forces cause external rotation of the opposite hemipelvis, resulting in diastasis of the sacroiliac joint. This causes the classic “windswept pelvis” appearance.

See also

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Cases and figures

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