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MRI and CT in blunt renal trauma: An update

Authors
Journal
Seminars in Ultrasound CT and MRI
0887-2171
Publisher
Elsevier - WB Saunders
Publication Date
Volume
18
Issue
2
Identifiers
DOI: 10.1016/s0887-2171(97)90057-3
Disciplines
  • Medicine

Abstract

Abstract In our experience, MRI is as effective as CT in correctly staging renal injury. The coronal and sagittal slice orientations of MRI are particularly helpful in determining the extent of the renal parenchymal damage. Both methods are accurate in finding perirenal hematomas, assessing the viability of renal fragments, and detecting preexisting renal abnormalities but are relatively inaccurate in visualizing urinary extravasation. Although CT remains the method of choice in radiological staging of renal injury, MRI can complement CT in patients with severe renal injury, preexisting renal abnormality, equivocal CT findings, or when repeated radiological follow-up is required. MRI could replace CT in patients with iodine allergy and be used for initial staging if CT is not available.

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