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Grades of Renal Injury.

Grades of Renal Injury.
Grades of Renal Injury.

Renal injuries are classified by severity as follows: Grade 1: Renal contusion and/or nonexpanding subcapsular hematoma Grade 2: Laceration Grade 3: Laceration > 1 cm sparing the collecting system Grade 4: Laceration > 1 cm involving the collecting system and/or renal vessel injury with hemorrhage Grade 5: Shattered kidney and/or avulsed renal vessels

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