ULTRASOUND-GUIDED MICROWAVE THERMOTHERAPY ON A VX-2 CARCINOMA IMPLANTED IN RABBIT KIDNEY
1995
Abstract A temperature greater than 60°C was maintained for 60 s within a 5-mm radius of a microwave electrode implanted in a rabbit kidney using 2450 MHz at 100 W for 30 s. Histological examination revealed complete coagulation necrosis in that area. VX-2 cells were inoculated into the kidneys of 10 rabbits. One week later, five rabbits received ultrasound-guided microwave thermotherapy, and the remaining five rabbits received no treatment. All rabbits with microwave thermotherapy had a complete response to treatment while all rabbits without therapy died of cancer within 6 weeks of the VX-2 implantation. These results indicate that ultrasound-guided microwave thermotherapy has the potential of being a nephronsalvaging treatment for small renal tumors.
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