Radiofrequency cauterization with biopsy introducer needle.

  title={Radiofrequency cauterization with biopsy introducer needle.},
  author={William F. Pritchard and Diane Wray-Cahen and John W. Karanian and Stephen L. Hilbert and Bradford J. Wood},
  journal={Journal of vascular and interventional radiology : JVIR},
  volume={15 2 Pt 1},
PURPOSE The principal risks of needle biopsy are hemorrhage and implantation of tumor cells in the needle tract. This study compared hemorrhage after liver and kidney biopsy with and without radiofrequency (RF) ablation of the needle tract. MATERIALS AND METHODS Biopsies of liver and kidney were performed in swine through introducer needles modified to allow RF ablation with the distal 2 cm of the needle. After each biopsy, randomization determined whether the site was to undergo RF ablation… CONTINUE READING