Also known as "Four-pillar" injury
Involves<unk> s of both pubic rami bilaterally
Causes a "butterfly segment" containing the pubic symphysis
Acetabular pelvic<unk> s
Open book pelvic<unk> <unk> 
Pelvic avulsion<unk>
Straddle pelvic fracture
Diaphragmatic trauma
Open book pelvic fracture
Liver trauma
Pelvic fractures
Splenic trauma
Acetabular pelvic fractures
Open fracture