IMRT_Symposia_2007_Global_Overview

IMRT_Symposia_2007_Global_Overview - IMRT: Global View Arno...

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IMRT: Global View Arno J. Mundt MD Professor and Chair Department of Radiation Oncology University of California San Diego, La Jolla CA
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A Walk Down Memory Lane
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“…further refining of delivery technology and the inverse planning system, gaining clinical experience to address target definition and dose inhomogeneity within the targets, and understanding the partial volume effect on normal tissue tolerance are needed for IMRT to excel in the treatment of head and neck cancer….”
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Today ± IMRT is no longer a “new” or “novel” technology ± IMRT has literally “grown up” ± Pre-IMRT era seems like a long time ago
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IMRT ± A major revolution in our field ± Fundamentally changed the way we plan and deliver radiation therapy
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IMRT Revolution “There are no non-violent revolutions…” Malcolm X Resulted in the upheaval of the daily lives of all of us (physicians and medical physicists alike)
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IMRT Revolution ± Proposed over 40 years ago by Takahashi in Japan ± Takahashi et al. Acta Radiol 1965;242 ± 1st attempted in the late 1960s by Hellman and colleagues (JCRT) ± Deemed infeasible due to excessive planning and delivery times
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IMRT Implementation ± In mid-1990s, IMRT began to be used at select academic centers ± Not till the late 1990s with the availability of commercial treatment planning systems did IMRT start to become widely available ± Currently, 10 commercial planning systems and 7 commercial delivery systems
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BrainLAB (brainlab.com) BrainScan CMS, Inc . (cmsrtp.com) Xio IMRT Elekta (elekta.com) PrecisePlan NOMOS (nasmedical.com) CORVUS Philips (medical.philips.com) Pinnacle-PRO Prowess Inc (prowess.com) Panther DAO RAHD (rahd.com) 3D/Pro, Konrad Siemens (siemens.com) Konrad Tomotherapy (tomotherapy.com) Hi-Art Varian (varian.com) Eclipse Commercial Planning Systems Hamilton et al. Treatment Planning IMRT: A Clinical Perspective. Mundt A, Roeske J (editors) BC Decker, Toronto, 2005
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BrainLAB brainlab.com Elekta elekta.com NOMOS nasmedical.com Southeastern Radiation Products seradiation.com Siemens siemens.com Tomotherapy tomotherapy.com Varian varian.com Commercial Delivery Systems Saw C, Ayyangar K, Krishna K, Wu A, Kalnicki S Delivery Systems IMRT: A Clinical Perspective. Mundt A, Roeske J (editors) BC Decker, Toronto, 2005
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What is the Current Level of IMRT Use?
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± Two surveys performed to assess the level of IMRT use in the United States ± 2002 Survey (450 Radiation Oncologists) Mell LK, Roeske JC, Mundt AJ. Cancer
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This note was uploaded on 05/24/2010 for the course MED 122 taught by Professor Tera during the Winter '08 term at Anadolu University.

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IMRT_Symposia_2007_Global_Overview - IMRT: Global View Arno...

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