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Proceedings Paper

Radiation therapy planning using a volumetric 3D display: PerspectaRAD
Author(s): Joshua Napoli; Sandy Stutsman; James C. H. Chu; Xing Gong; Mark J. Rivard; Gene Cardarelli; Thomas P. Ryan; Gregg E. Favalora
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Paper Abstract

We describe PerspectaRAD, the first tool for the review and modification of external-beam radiation therapy treatment plans with a volumetric three-dimensional display (Perspecta 1.9, Actuality Medical, Bedford, MA, USA) and a dedicated software application (PerspectaRAD, Actuality Medical). We summarize multi-institution retrospective studies that compare the system's efficacy to the incumbent 2-D display-based workflow. Contributions include: visualizing the treatment plan in a volumetric 3-D display, modifying the beam locations and performing point-and-click measurement in 3-D with a 3-D physical interface, and simultaneously viewing volumetric projections of the native CT data and isodose contours. The plans are synchronized with the hospital treatment planning system, Pinnacle3 (Philips Medical, WI, USA). In the largest of five studies, 33 plans were retrospectively randomized and replanned at three institutions, including 12 brain, 10 lung, and 11 abdomen / pelvis. The PerspectaRAD plan was as good as or better than plans created without PerspectaRAD 70% of the time. Radiation overdose regions were more likely to be obvious inside the target volume than when reviewed in the 2-D display alone. However, the planning time was longer with PerspectaRAD. The data demonstrate that PerspectaRAD facilitates the use of non-coplanar beams and has significant potential to achieve better plan quality in radiation therapy.

Paper Details

Date Published: 4 March 2008
PDF: 11 pages
Proc. SPIE 6803, Stereoscopic Displays and Applications XIX, 680312 (4 March 2008); doi: 10.1117/12.767896
Show Author Affiliations
Joshua Napoli, Actuality Medical, Inc. (United States)
Sandy Stutsman, Actuality Medical, Inc. (United States)
James C. H. Chu, Rush Univ. Medical Ctr. (United States)
Xing Gong, Rush Univ. Medical Ctr. (United States)
Mark J. Rivard, Tufts-New England Medical Ctr. (United States)
Gene Cardarelli, Rhode Island Hospital/Brown Medical School (United States)
Thomas P. Ryan, Actuality Medical, Inc. (United States)
Gregg E. Favalora, Actuality Medical, Inc. (United States)

Published in SPIE Proceedings Vol. 6803:
Stereoscopic Displays and Applications XIX
Andrew J. Woods; Nicolas S. Holliman; John O. Merritt, Editor(s)

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