Junichi Tokuda

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. pmc Configurable automatic detection and registration of fiducial frames for device-to-image registration in MRI-guided prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, Boston, MA, USA
    Med Image Comput Comput Assist Interv 16:355-62. 2013
  2. pmc In-bore setup and software for 3T MRI-guided transperineal prostate biopsy
    Junichi Tokuda
    Department of Radiology, Brigham and Womens Hospital and Harvard Medical School, Boston, MA, USA
    Phys Med Biol 57:5823-40. 2012
  3. pmc Preclinical evaluation of an MRI-compatible pneumatic robot for angulated needle placement in transperineal prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Int J Comput Assist Radiol Surg 7:949-57. 2012
  4. pmc Integrated navigation and control software system for MRI-guided robotic prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
    Comput Med Imaging Graph 34:3-8. 2010
  5. pmc OpenIGTLink: an open network protocol for image-guided therapy environment
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
    Int J Med Robot 5:423-34. 2009
  6. pmc Impact of nonrigid motion correction technique on pixel-wise pharmacokinetic analysis of free-breathing pulmonary dynamic contrast-enhanced MR imaging
    Junichi Tokuda
    Harvard Medical School, Boston, MA, USA
    J Magn Reson Imaging 33:968-73. 2011
  7. pmc Software strategy for robotic transperineal prostate therapy in closed-bore MRI
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, 75 Francis St, Boston, MA 02115, USA
    Med Image Comput Comput Assist Interv 11:701-9. 2008
  8. pmc Adaptive 4D MR imaging using navigator-based respiratory signal for MRI-guided therapy
    Junichi Tokuda
    Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan
    Magn Reson Med 59:1051-61. 2008
  9. ncbi request reprint New 4-D imaging for real-time intraoperative MRI: adaptive 4-D scan
    Junichi Tokuda
    Graduate School of Information Science and Technology, The University of Tokyo, 7 3 1, Hongo, Bunkyo, Tokyo 113 8656, Japan
    Med Image Comput Comput Assist Interv 9:454-61. 2006
  10. pmc Image registration for targeted MRI-guided transperineal prostate biopsy
    Andriy Fedorov
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Magn Reson Imaging 36:987-92. 2012

Detail Information

Publications21

  1. pmc Configurable automatic detection and registration of fiducial frames for device-to-image registration in MRI-guided prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, Boston, MA, USA
    Med Image Comput Comput Assist Interv 16:355-62. 2013
    ..00 +/- 0.73 mm and 1.41 +/- 1.06 degrees in a phantom study, and was sufficiently robust to detect the fiducial frame in 98% of images acquired in clinical cases despite the existence of anatomical structures in the field of view...
  2. pmc In-bore setup and software for 3T MRI-guided transperineal prostate biopsy
    Junichi Tokuda
    Department of Radiology, Brigham and Womens Hospital and Harvard Medical School, Boston, MA, USA
    Phys Med Biol 57:5823-40. 2012
    ..4 mm (2D RMS). In conclusion, transperineal prostate biopsy in a wide-bore 3T scanner is feasible using our custom-made tabletop setup and software, which supports manual needle placement without moving the patient out of the magnet...
  3. pmc Preclinical evaluation of an MRI-compatible pneumatic robot for angulated needle placement in transperineal prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
    Int J Comput Assist Radiol Surg 7:949-57. 2012
    ..To evaluate the targeting accuracy of a small profile MRI-compatible pneumatic robot for needle placement that can angulate a needle insertion path into a large accessible target volume...
  4. pmc Integrated navigation and control software system for MRI-guided robotic prostate interventions
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
    Comput Med Imaging Graph 34:3-8. 2010
    ..Performance tests show that the registration error of the system was 2.6mm within the prostate volume. Registered real-time 2D images were displayed 1.97 s after the image location is specified...
  5. pmc OpenIGTLink: an open network protocol for image-guided therapy environment
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
    Int J Med Robot 5:423-34. 2009
    ..With increasing research on system integration for image-guided therapy (IGT), there has been a strong demand for standardized communication among devices and software to share data such as target positions, images and device status...
  6. pmc Impact of nonrigid motion correction technique on pixel-wise pharmacokinetic analysis of free-breathing pulmonary dynamic contrast-enhanced MR imaging
    Junichi Tokuda
    Harvard Medical School, Boston, MA, USA
    J Magn Reson Imaging 33:968-73. 2011
    ....
  7. pmc Software strategy for robotic transperineal prostate therapy in closed-bore MRI
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, 75 Francis St, Boston, MA 02115, USA
    Med Image Comput Comput Assist Interv 11:701-9. 2008
    ..The performance test shows that the registration error of the system was 2.6 mm in the prostate area, and it displayed real-time 2D image 1.7 s after the completion of image acquisition...
  8. pmc Adaptive 4D MR imaging using navigator-based respiratory signal for MRI-guided therapy
    Junichi Tokuda
    Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan
    Magn Reson Med 59:1051-61. 2008
    ..In conclusion, this study has shown that the proposed method is feasible and capable of providing a real-time dynamic 3D atlas for surgical navigation with sufficient accuracy and image quality...
  9. ncbi request reprint New 4-D imaging for real-time intraoperative MRI: adaptive 4-D scan
    Junichi Tokuda
    Graduate School of Information Science and Technology, The University of Tokyo, 7 3 1, Hongo, Bunkyo, Tokyo 113 8656, Japan
    Med Image Comput Comput Assist Interv 9:454-61. 2006
    ..In conclusion, the study shows that the proposed method is feasible and has capability to provide real-time dynamic 3-D atlas for surgical navigation...
  10. pmc Image registration for targeted MRI-guided transperineal prostate biopsy
    Andriy Fedorov
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Magn Reson Imaging 36:987-92. 2012
    ..To develop and evaluate image registration methodology for automated re-identification of tumor-suspicious foci from preprocedural MR exams during MR-guided transperineal prostate core biopsy...
  11. pmc A workspace-orientated needle-guiding robot for 3T MRI-guided transperineal prostate intervention: evaluation of in-bore workspace and MRI compatibility
    Sang Eun Song
    National Center for Image guided Therapy, Brigham and Women s Hospital and Harvard Medical School, Boston, MA, USA
    Int J Med Robot 9:67-74. 2013
    ..For accurate needle positioning, in-bore-operated robotic systems have been developed and optimal use of the confined in-bore space become a critical engineering challenge...
  12. pmc MRI signal intensity based B-spline nonrigid registration for pre- and intraoperative imaging during prostate brachytherapy
    Sota Oguro
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Magn Reson Imaging 30:1052-8. 2009
    ..To apply an intensity-based nonrigid registration algorithm to MRI-guided prostate brachytherapy clinical data and to assess its accuracy...
  13. pmc Lung motion and volume measurement by dynamic 3D MRI using a 128-channel receiver coil
    Junichi Tokuda
    Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
    Acad Radiol 16:22-7. 2009
    ....
  14. pmc MRI-compatible manipulator with remote-center-of-motion control
    Nobuhiko Hata
    Department of Radiology, Brigham and Women s Hospital, and Harvard Medical School, Boston, Massachusetts 02115, USA
    J Magn Reson Imaging 27:1130-8. 2008
    ..To develop and assess a needle-guiding manipulator for MRI-guided therapy that allows a physician to freely select the needle insertion path while maintaining remote center of motion (RCM) at the tumor site...
  15. pmc Clinical application of pharmacokinetic analysis as a biomarker of solitary pulmonary nodules: dynamic contrast-enhanced MR imaging
    Hatsuho Mamata
    Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    Magn Reson Med 68:1614-22. 2012
    ..0 min⁻¹ was 76%, specificity was 100%, positive predictive value was 100%, negative predictive value was 45%, and accuracy was 80%. Of all indices studied, k(ep) was the most significant in differentiating malignant from benign SPNs...
  16. doi request reprint Transperineal in-bore 3-T MR imaging-guided prostate biopsy: a prospective clinical observational study
    Tobias Penzkofer
    From the Division of MRI in the Department of Radiology T P, K T, A F, S S, J T, F M F, R V M, W M W, N H, C M C T and the Division of Urology A S K, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115 Department of Diagnostic and Interventional Radiology, RWTH Aachen University Hospital, Aachen, Germany T P Department of Radiology, Massachusetts General Hospital, Boston, Mass M G V Department of Radiology, Dana Farber Cancer Institute, Boston, Mass F M F and Department of Radiology, Children s Hospital, Boston, Mass R V M
    Radiology 274:170-80. 2015
    ....
  17. pmc Integration of the OpenIGTLink network protocol for image-guided therapy with the medical platform MeVisLab
    Jan Egger
    Brigham and Women s Hospital and Harvard Medical School, Department of Radiology, Boston, MA 02115, USA
    Int J Med Robot 8:282-90. 2012
    ..MeVisLab is a framework for the development of image processing algorithms and visualization and interaction methods, with a focus on medical imaging...
  18. ncbi request reprint Motion tracking in MR-guided liver therapy by using navigator echoes and projection profile matching
    Junichi Tokuda
    Graduate School of Information Science and Technology, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 8656, Japan
    Acad Radiol 11:111-20. 2004
    ..The objective of this paper is to describe the application of navigator echo and projection profile matching to fast two-dimensional image registration for MR-guided liver therapy...
  19. doi request reprint Real-time active MR-tracking of metallic stylets in MR-guided radiation therapy
    Wei Wang
    Radiology, Brigham and Women s Hospital, Boston, Massachusetts, USA Radiation Oncology, Brigham and Women s Hospital, Boston, Massachusetts, USA
    Magn Reson Med 73:1803-11. 2015
    ..To develop an active MR-tracking system to guide placement of metallic devices for radiation therapy...
  20. ncbi request reprint A device guidance method for organ motion compensation in MRI-guided therapy
    Jan Lesniak
    Institute for Process Control and Robotics, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany
    Phys Med Biol 52:6427-38. 2007
    ..36 mm to 1.51 mm depending on the range of phantom motion) and is robust to noise. The method proposed may be useful in MRI-guided targeted therapy, such as focused ultrasound therapy for a moving organ...
  21. ncbi request reprint Advanced computer assistance for magnetic resonance-guided microwave thermocoagulation of liver tumors
    Shigehiro Morikawa
    Molecular Neuroscience Research Center, Shiga University of Medical Science, Seta tsukinowa cho, Ohtsu, Shiga 520 2192, Japan
    Acad Radiol 10:1442-9. 2003
    ..The purpose of this study was to utilize computer assistance effectively for both easy and accurate magnetic resonance (MR) image-guided microwave thermocoagulation therapy of liver tumors...