Augmented Reality Guidance for Needle Biopsies: A Randomized, Controlled Trial in Phantoms

  • Michael Rosenthal
  • Andrei State
  • Joohi Lee
  • Gentaro Hirota
  • Jeremy Ackerman
  • Kurtis Keller
  • Etta D. Pisano
  • Michael Jiroutek
  • Keith Muller
  • Henry Fuchs
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2208)

Abstract

We report the results of a randomized, controlled trial to compare the accuracy of standard ultrasound-guided needle biopsy to biopsies performed using a 3D Augmented Reality (AR) guidance system. Fifty core biopsies of breast phantoms were conducted by a board-certified radiologist, with each set of five biopsies randomly assigned to one of the methods. The raw ultrasound data from each biopsy was recorded. Another board-certified radiologist, blinded to the actual biopsy guidance mechanism, evaluated the ultrasound recordings and determined the distance of the biopsy from the ideal position. A repeated measures analysis of variance indicated that the head-mounted display method led to a statistically significantly smaller mean deviation from the desired target than did the CRT display method. (2.48mm for control versus 1.62mm for augmented reality, p < 0.02). This result suggests that AR systems can offer improved accuracy over traditional biopsy guidance methods.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Michael Rosenthal
    • 1
  • Andrei State
    • 1
  • Joohi Lee
    • 1
  • Gentaro Hirota
    • 1
  • Jeremy Ackerman
    • 1
  • Kurtis Keller
    • 1
  • Etta D. Pisano
    • 2
  • Michael Jiroutek
    • 3
  • Keith Muller
    • 3
  • Henry Fuchs
    • 1
  1. 1.Department of Computer ScienceUniversity of North Carolina at Chapel HillChapel HillUSA
  2. 2.Department of RadiologyUniversity of North Carolina at Chapel HillChapel HillUSA
  3. 3.Department of BiostatisticsUniversity of North Carolina at Chapel HillChapel HillUSA

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