There is diastasis of the pubic symphysis, with the left pubis superiorly displaced and overriding the right pubis.
There are comminuted fractures through both sacral alae with elevation of the lateral fragment of the left sacrum and a fracture of the left L5 transverse process. The fractures involve the sacral foramina bilaterally, and there is also extension into both sacroiliac joints. No associated SI joint dislocation.
There is an associated moderate sized extraperitoneal pelvic haematoma within the left hemi-pelvis with extension of haematoma into the posterior pararenal space of the left retroperitoneum. There is also intramuscular and subcutaneous haematoma within the left groin, and haematoma within the left lower abdominal wall.
Wedge shaped areas of low density within the left kidney are favoured to represent renal infarcts, with the differential including renal laceration. The renal hilar vessels appear preserved.
No liver, pancreatic, adrenal or splenic injuries.No lumbar spine fractures.
- Unstable pelvic fractures, suggestive of vertical shear mechanism of injury. Associated extraperitoneal pelvic haematoma.
- Wedge shaped low density defects within the left kidney - either represent renal infarcts or lacerations.