Malgaigne fracture

Case contributed by Dr Salman S. Albakheet


Road traffic accident.

Patient Data

Age: 25
Gender: Male

X-ray pelvis

Fracture of the right superior and inferior pubic rami and the right sacral ala. The pubic symphysis remains normally aligned. 


CT pelvis

Vertical fractures involving the right side of pelvic ring. Above the acetabulum, the oblique fracture in right iliac bone involving its posterior third and start from the iliac crest and exit into the lower one-third of ipsilateral SI joint with involvement of articular surface without its significant diastasis. Below the acetabulum, there are comminuted fractures of ipsilateral superior and inferior pubic rami; however, there is no evidence of fracture of acetabular walls. There is fracture of ipsilateral ischial spine as well. Contralateral hemipelvis is intact without fracture.

Case Discussion

This injury is characterized by rupture of entire pelvic floor, including posterior SI complex as well as sacrospinous and sacrotuberous ligaments.

It can often be recognized clinically as shortening of the ipsilateral lower extremity.

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Case information

rID: 33376
Published: 9th Jan 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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