Percutaneous Renal Cryoablation Procedure

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Percutaneous Renal Cryoablation Procedure
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Renal Biopsy
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Freeze Test Each Probe

• To ensure each
• CryoProbe will function properly they must be
  tested in a basin of sterile water or saline
  before placement in patient

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Cryo Probes Placed Under CT
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Cryo Probe Placement
Courtesy of Dr. Joseph Stavas at University of
North Carolina Chapel Hill
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Stephen B. Solomon, MDMemorial Sloan-Kettering
Cancer Center

• 1 cm Renal Tumor
• Papillary Renal Cancer

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1 cm Biopsy Papillary Renal Cancer
Figure 1 Pre-Cryotherapy
Figure 2 During Cryotherapy
Figure 3 Post-Cryotherapy

• Fig. 1 Small exophytic renal tumor
• Fig. 2 Iceball can be visualized around the
  probe
• Fig. 3 Visible remaining air in the track
  immediately after probe removal
• Fig. 4 Lack of enhancement indicates successful
  ablation

Figure 4 6 months post-op
Images Courtesy of Dr. Stephen B. Solomon at
Memorial Sloan-Kettering Cancer Center
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PercutaneousRenal Cryoablation

• Minimal complications
• Renal function maintained
• No intraoperative complications
• No blood loss
• Outpatient procedure
• Lower hospital cost

Zegel HG, J Ultrasound Med 17 571-6 1998, Gill
IS Urology 2000 56 748-53, Rodriguez Urology
2000 55 25-30.