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Magnetic resonance imaging in endourology.
A J Chan1, P V Prasad, B Saltzman
1Division of Urology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02215, USA.
Journal of Endourology
|March 16, 2001
Summary
Magnetic resonance imaging (MRI) now offers comprehensive evaluation of the urinary tract, including obstructed ureteropelvic junction and renal blood flow. Advanced MRI techniques enable detailed anatomical and functional assessment in endourology.
Area of Science:
- Medical Imaging
- Urology
- Nephrology
Background:
- Magnetic resonance imaging (MRI) utilization in endourology was historically limited.
- Advancements in gradient systems have enabled new MRI data acquisition strategies.
- These innovations expand MRI's scope for evaluating urinary tract anatomy and function.
Purpose of the Study:
- To describe experience with MRI for comprehensive evaluation of the obstructed ureteropelvic junction.
- To investigate altered renal hemodynamics post-extracorporeal shockwave lithotripsy using advanced MRI.
- To present preliminary data on MR perfusion imaging for noninvasive renal blood flow assessment.
Main Methods:
- Utilized advanced MRI sequences with faster and stronger gradient systems.
- Applied MRI for detailed anatomical and functional evaluation of the urinary tract.
- Employed MR perfusion imaging to assess renal hemodynamics.
Main Results:
- MRI provides comprehensive evaluation of the obstructed ureteropelvic junction.
- New imaging sequences facilitate investigation of renal hemodynamics after extracorporeal shockwave lithotripsy.
- MR perfusion imaging shows potential as a noninvasive technique for renal blood flow evaluation.
Conclusions:
- Modern MRI techniques significantly broaden applications in endourology.
- MRI enables single-modality evaluation of both anatomy and function.
- Advanced MRI, including perfusion imaging, offers promising noninvasive diagnostic capabilities in urology and nephrology.