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Published on: March 11, 2016
Radiographic techniques in renal parenchymal disease
1Albert Einstein College of Medicine, Bronx, New York.
Nephrologists can use advanced imaging like sonography and MRI to monitor patients with chronic kidney disease. These less-invasive methods help detect complications such as acquired cystic kidney disease and renal cell carcinoma.
Area of Science:
- Nephrology
- Radiology
- Medical Imaging
Background:
- Patients with chronic renal failure undergoing dialysis are at increased risk for kidney complications.
- Acquired cystic kidney disease and renal cell carcinoma are significant risks for long-term dialysis patients.
Purpose of the Study:
- To highlight advancements in less-invasive imaging modalities for assessing kidneys in chronic renal failure patients.
- To discuss the utility of new contrast agents and Doppler sonography in nephrology.
Main Methods:
- Review of recent developments in imaging technologies, including lower osmolar contrast media, sonography, and MRI.
- Application of Duplex Doppler sonography to measure the resistive index in renal arcuate vessels.
Main Results:
- Lower osmolar contrast media offer improved renal safety, allowing their use when procedural benefits outweigh risks.
- Duplex Doppler sonography's resistive index is effective for assessing renal allograft rejection and diagnosing obstruction.
Conclusions:
- Advanced imaging modalities provide safer and more effective ways to evaluate kidney health in patients with chronic renal failure.
- The resistive index is a valuable tool for diagnosing renal obstruction and holds potential for other renal disease processes.
Related Concept Videos
Imaging Studies I: Kidney, Ureter, and Bladder Studies
Imaging Studies II: Ultrasonography
Imaging Studies III: Computed Tomography
Imaging Studies IV: Magnetic Resonance Imaging
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
Imaging Studies VII: Vascular Imaging

