Prostate Segmentation Challenge and MR-guided Prostate Biopsy
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Transcript of Prostate Segmentation Challenge and MR-guided Prostate Biopsy
Prostate Segmentation Challengeand MR-guided Prostate Biopsy
Haytham Elhawary, Nobuhiko HataBrigham and Women’s Hospital and Harvard Medical School, Boston, MA
Gabor Fichtinger Queens University, Canada
Contesntants
Albert Gubern-Merida and Robert Marti,
University of Girona, Girona, Spain
Jason Dowling, Jurgen Fripp, Peter Greer, Olivier Salvado
AEHRC CSIRO, Australia
Sebastien Ourselin
UCL, UK
MRI-guided prostate biopsy and brachytherapy
• Signa SP 0.5 T• General anesthesia
used• Lithotomy position,
Transperineal approachusing template
• Procedure duration: 3 hours
• Patient discharged to home on day of procedure
Why Prostate Segmentation
• Pre-Processing for pre-op and intra-op deformable registration
•Intra-operative brachytherapy planning
•Endoscopic Prostatectomy
Pre-Processing for pre-op and intra-op deformable registration
Prostatectomy
Brahytherapy program
Contouring PZ, urethra and rectum
Axial T2W image Treatment plan
Results
DSC HDCase
1 0.77 0.84 7.10 9.903 0.64 0.83 15.80 10.004 0.82 0.62 8.28 19.245 0.62 0.84 15.80 6.67
Average 0.71 0.78 11.75 11.45Std 0.10 0.11 4.71 5.42
t-test 0.25 0.48
Results
DSC HDCase Marti Dowling Marti Dowling
1 0.77 0.84 7.10 9.903 0.64 0.83 15.80 10.004 0.82 0.62 8.28 19.245 0.62 0.84 15.80 6.67
Average 0.71 0.78 11.75 11.45Std 0.10 0.11 4.71 5.42
t-test 0.25 0.48
Prize
First PlaceJason Dowling, Jurgen Fripp, Peter Greer,
Olivier SalvadoAEHRC CSIRO, Australia
Sebastien OurselinUCL, UK
Second PlaceAlbert Gubern-Merida and Robert Marti,
University of Girona