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To minimize the risk of needle biopsy, including tumor seeding and hemorrhage, we examined the feasibility of needle biopsy after renal cryoablation.Four cryolesions were created bilaterally on normal porcine renal tissue with an 8-minute double-freeze cycle using a single 17-gauge cryoprobe. Biopsies were obtained with a 16G biopsy needle before and after cryoablation under direct vision. Each biopsy...
To examine the feasibility of transurethral, focal, full-thickness bladder wall cryoablation in the porcine model using a novel 38-cm cryoablation probe.A total of 18 pigs were divided into three groups. Groups 1 (n = 6) and 2 (n = 6) underwent transurethral bladder wall cryoablation in a saline environment with two freeze-thaw cycles. The pigs in groups 1 and 2 were killed after 1 and 3 weeks, respectively...
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