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MRI evaluation of acute renal trauma
H B Marcos1, T C Noone, R C Semelka
1Department of Radiology, University of North Carolina, School of Medicine, Chapel Hill 27599-7510, USA.
Journal of Magnetic Resonance Imaging : JMRI
|August 14, 1998
Summary
Magnetic resonance imaging (MRI) and computed tomography (CT) revealed acute renal injury with perinephric hematoma and urinoma after blunt abdominal trauma. Active urine extravasation into the urinoma was visualized with serial imaging.
Area of Science:
- Radiology
- Medical Imaging
- Urology
Background:
- Blunt abdominal trauma can cause significant renal injury, including perinephric hematoma and urinoma.
- Accurate diagnosis and characterization of renal injuries are crucial for appropriate patient management.
Observation:
- A case study detailing the magnetic resonance (MR) and computed tomography (CT) findings in a patient with acute renal injury following blunt abdominal trauma.
- The patient presented with a perinephric hematoma and urinoma, requiring detailed imaging evaluation.
Findings:
- Serial post-contrast CT and MR imaging demonstrated active urine extravasation into the perinephric space.
- Progressively increased fluid attenuation (CT) and signal intensity (MR) were observed in the urinoma, communicating with the renal collecting system, starting within 2 minutes of contrast administration.
Implications:
- This case highlights the utility of advanced imaging techniques like MRI and CT in diagnosing and characterizing complex renal injuries.
- The findings emphasize the ability of serial imaging to visualize active urine extravasation, aiding in the assessment of renal trauma severity and management decisions.