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Updated: May 24, 2026
07:16
Thermal Ablation for the Treatment of Abdominal Tumors
Published on: March 7, 2011
Hydrodissection using an iodinated contrast medium during percutaneous renal cryoablation.
Sutchin R Patel1, J Louis Hinshaw, Meghan G Lubner
1Department of Urology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53705, USA.
Journal of Endourology
|February 16, 2012
Summary
Iodinated contrast hydrodissection safely mobilizes adjacent organs before renal cryoablation. This technique differentiates structures, potentially improving the safety of kidney tumor ablation procedures.
Area of Science:
- Urology
- Interventional Radiology
- Nephrology
Background:
- Percutaneous renal cryoablation is a minimally invasive treatment for renal tumors.
- Protecting adjacent organs during renal cryoablation is crucial to prevent complications.
Purpose of the Study:
- To evaluate the safety and efficacy of using an iodinated contrast solution for hydrodissection of adjacent structures prior to percutaneous renal cryoablation.
Main Methods:
- Hydrodissection involved injecting a solution of 5% dextrose in water and 2% iodinated contrast between the kidney and adjacent organs.
- Guidance was provided by computed tomography (CT) or ultrasonography.
- The procedure was performed on ten patients undergoing renal cryoablation.
Main Results:
- Adjacent organs, including the colon, small bowel, and pancreas, were successfully displaced with an average separation of 2.8 cm.
- No complications or injuries to adjacent structures were reported.
- The mean renal tumor size was 3.1 cm.
Conclusions:
- Iodinated contrast-enhanced hydrodissection is a safe and effective method for mobilizing adjacent structures.
- This technique facilitates differentiation of structures, potentially enhancing the safety of percutaneous renal cryoablation.
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