title: Laser navigation for radiofrequency ablation.
abstract: A 45-year-old male with renal cell carcinoma secondary to von-Hippel Lindau (VHL) disease presented for radiofrequency ablation (RFA) of kidney tumors. Due to his prior history of several partial nephrectomies and limited renal reserve, RFA was chosen because of its relatively nephron-sparing nature. A laser guidance device was used to help guide probe placement in an attempt to reduce procedure time and improve targeting accuracy. The device was successful at guiding needle placement, as both tumors were located with a single pass. Follow-up CT scan confirmed accurate needle placement, showing an area of coagulation necrosis covering the previously seen tumor.
authors.affiliation: Warren G. Magnuson Clinical Center, Diagnostic Radiology Department, National Institutes of Health, Building 10, Room 1C660, Bethesda, MD 20892, USA.
authors.forename: Zoltan
authors.initials: Z
authors.lastname: Varro
authors.forename: Julia K
authors.initials: JK
authors.lastname: Locklin
authors.forename: Bradford J
authors.initials: BJ
authors.lastname: Wood
mesh_terms: D002292:Carcinoma, Renal Cell / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery*; D017115:Catheter Ablation / Q000379:methods*; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery*; D053685:Laser Therapy / Q000295:instrumentation; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D006623:von Hippel-Lindau Disease / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery