Traumatic rupture of the kidney from blunt trauma is common in high-energy collisions.
[aafp.org]
rupture Hematuria, flank pain, possible hemodynamic instability Three-phase CT Tissue injury, subcapsular hematoma, contrast extravasation, perinephric or retroperitoneal
[aafp.org]
Radiographic findings include evidence of tissue injury, subcapsular hematoma, contrast extravasation, and perinephric or retroperitoneal fluid collection. 7 Relative to trauma
[aafp.org]