Browse > Article
http://dx.doi.org/10.7742/jksr.2015.9.6.343

Clinical Analysis of Inverse Planning for Radiosurgery ; Gamma Knife Treatment Plan Study  

Jin, Seong Jin (Department of Radiation Oncology, Gammaiknife Center, Inje University Haeundae Paik Hospital)
Je, Jae Yong (Department of Radiological Technology, Dong-Eui Institute of Technology)
Park, Cheol Woo (Department of Radiological Technology, Dong-Eui Institute of Technology)
Publication Information
Journal of the Korean Society of Radiology / v.9, no.6, 2015 , pp. 343-348 More about this Journal
Abstract
The purpose of this study is a comparison of forward planning(FP) and inverse planning(IP) of a radiosurgery procedure. 10 patients of acoustic schwannoma MR image were used for treatment plan. FP-1,2 and IP were established under the same condition. FP and IP were compared by number of shot, conformity index(CI), paddic conformity index(PCI), gradiant index(GI) and treatment time. On average the treatment plan produced by IP tool provided an improved or similar CI, PCI, GI and reduced treatment time as compared to the FP (CI;FP-1:0.85, FP-2:0.86, IP:0.94, PCI;FP-1:0.79, FP-2:0.81, IP:0.78, GI;FP-1:2.94, FP-2:2.94, IP:3.01). The inverse planning system provides a clinically useful plan while reducing the planning time and treatment time.
Keywords
Radiosurgery; Gamma knife; Forward planning; Inverse planning;
Citations & Related Records
연도 인용수 순위
  • Reference
1 D.W. David, B. Greg, J. James, D. Beverly, "A review of 3 current radiosurgery systems", Surgical Neurology, Vol. 66, No. 6, pp. 559-564, 2006.   DOI   ScienceOn
2 C. Lindquist, I. Paddick, "The Leksell Gamma kinfe PERFEXION and comparisons with its predecessors", Neurosurgery, Vol. 61, No. 3, pp. 130-141, 2007.   DOI
3 W.S. Seo, I.H. Oh, S.K. Choi, Y.J. Lim, "Analysis of recent inverse planning for Gamma kinfe radiosurgery", International Journal of Radiosurgery, Vol. 1, No. 2, pp. 65-70, 2012.
4 S. Yomo, M. Tamura, R. Carron, D. Porcehron, J. Regis, "A quantitative comparison of radiosurgical treatment parameters in vestibular schwannomas: the Leksell Gamma Knife Perfexion versus Model 4C", Acta Neurochirurgica, Vol. 152, No. 1, pp. 47-55, 2009.   DOI
5 E. Shaw, R. Kline, M. Gillin, et al, "Radition therapy onclogy Group ; Radiosurgery quality assurance guidelines", Int J Radiation Oncol Biol Phys Vol. 27, No. 5, pp. 1231-1239, 1993.   DOI
6 I. Paddick, "A simple scoring ratio to index the conformity of radiosurgical treatment plans". J Neurosurg, Vol. 93, Suppl. 3, pp. 219-222, 2000.
7 I. Paddick, B. Lippitz, "A simple dose gradient measurement tool to complement the conformity index". J Neurosurg, Vol. 105, Suppl, pp. 194-201, 2006.
8 ES. Murphy, GH. Barnet, MA. Vogelbaum, et al, "Long term outcoms of Gamma knife radiosurgery in patient with vestibular schwannomas". J Neurosurg, Vol. 114, No. 2, pp. 432-440, 2011.   DOI   ScienceOn
9 EH. Balagamwala, J.H. Suh, GH. Barnett, et al. "The importance of conformality, heterogeneity, and gradient indices in evaluation gamma knife radiosurgery treatment plans for intracranial meningiomas". Int J of radiation oncology biology physics, Vol. 83, No. 5, pp. 1406-1413, 2012.   DOI   ScienceOn
10 T.K. Lee, "The effect of forward planning and inverse planning in CyberKnife radiosurgery on rat brain" Catholic University of Korea, 2007.
11 S.C. Han, D.J. Lee, "Differences in Target volume delineation using typical radiosurgery planning system", Progeress in medical physics, Vol. 24, No. 4, pp. 265-270, 2013.