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Multiplanar reconstruction in MR imaging of the knee. Comparison with standard sagittal and coronal images
S B Wieslander1, E D Rappeport, G S Lausten
1Department of Diagnostic Radiology, Copenhagen University Hospital at Herlev, Denmark.
Purpose:
To compare standard MR sagittal and coronal imaging of the knee with the MR technique of finer sagittal imaging and subsequent reconstruction in any plane.
Material And Methods:
Forty-seven patients took part in the study. Two radiologists each made two independent interpretations in every case, based on images of: a) 4-mm sagittal and coronal slices; and b) 1.2-mm sagittal slices with subsequent reconstruction.
Results:
We found no significant difference in diagnostic efficacy between the two MR techniques. The reconstruction in any desired plane involved a potential reduction of 10 min in examination time but an increase of approximately 20 min in postprocessing time.
Conclusion:
The use of multiplanar reconstruction offered no additional diagnostic value and no saving of time.