Summary

■ Cryoablation is the most studied of the needle ablative therapies.

■ Clinical studies have shown promising short-term results and acceptable safety profile.

■ Cryoablation of renal lesions is minimally invasive, safe, and effective for peripheral lesions less than 3 to 4 cm in size in carefully selected individuals.

■ More data are required to provide reliable treatment of tumor margins for larger lesions and the safety of using ablative techniques near collecting system and renal hilum.

■ Watch for computed tomography-guided percutaneous cryoablation.

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