We report a quantitative evaluation of the clinical accuracy of a MRI-guided robotic prostate biopsy system that has
been in use for over five years at the U.S. National Cancer Institute. A two-step rigid volume registration using mutual
information between the pre and post needle insertion images was performed. Contour overlays of the prostate before
and after registration were used to validate the registration. A total of 20 biopsies from 5 patients were evaluated. The
maximum registration error was 2 mm. The mean biopsy target displacement, needle placement error, and biopsy error
was 5.4 mm, 2.2 mm, and 5.1 mm respectively. The results show that the pre-planned biopsy target did dislocate during
the procedure and therefore causing biopsy errors.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.