title: [Control of percutaneous biopsy with CT fluoroscopy].
abstract: OBJECTIVE
  Clinical evaluation of CT fluoroscopy and comparison with conventional CT guidance for monitoring of non-pulmonary percutaneous biopsy procedures.
  
  
  METHODS
  20 non-pulmonary CT-guided biopsy procedures were prospectively performed either with CT fluoroscopy or with conventional CT guidance. CT fluoroscopy was performed using 120 kV and 50, 70 or 90 mA at a frame-rate of three or six images per second. Number of punctures and biopsies, procedure times, radiation doses and histologic results were analyzed separately for conventional CT guidance and for CT fluoroscopy.
  
  
  RESULTS
  With CT fluoroscopy, yield of biopsies was improved (p = 0.005, t-test) and procedure times were shorter than for conventional CT guidance (11.4 +/- 6.0 vs. 23.6 +/- 13.8 min; p = 0.03, t-test). Analysis of procedure related radiation exposure and histologic outcome showed no significant difference between conventional and fluoroscopic CT-guided procedures (p > 0.05, t-test).
  
  
  CONCLUSIONS
  CT fluoroscopy facilitates guidance of percutaneous biopsy procedures. Compared to conventional CT assistance, procedure times are decreased while yield of biopsies is improved.
authors: Abt. für Strahlendiagnostik Klinikum der Philipps-Universität, Marburg. froehlic@mailer.uni-marburg.de
authors: J J
authors: JJ
authors: Froelich
authors: N
authors: N
authors: Ishaque
authors: B
authors: B
authors: Saar
authors: J
authors: J
authors: Regn
authors: E M
authors: EM
authors: Walthers
authors: F
authors: F
authors: Mauermann
authors: K J
authors: KJ
authors: Klose
mesh_terms: D000328:Adult; D000368:Aged; D001707:Biopsy, Needle / Q000295:instrumentation*; D003937:Diagnosis, Differential; D004867:Equipment Design; D005260:Female; D005471:Fluoroscopy / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000473:pathology; D011446:Prospective Studies; D011829:Radiation Dosage; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed / Q000295:instrumentation*