Acknowledgement
The Innopolis Foundation of Korea supported this study, funded by the Ministry of Science and ICT (Grant No. 1711149774).
References
- C. Lindquist, I. Paddick, The Leksell gamma Knife Perfexion and comparisons with its predecessors, Oper Neurosurg 61 (Suppl) (2007), https://doi.org/10.1227/01.neu.0000289726.35330.8a. ONSe130.
- M. Zeverino, M. Jaccard, D. Patin, N. Ryckx, M. Marguet, C. Tuleasca, et al., Commissioning of the Leksell gamma Knife® Icon, Med. Phys. 44 (2017) 355-363, https://doi.org/10.1002/mp.12052.
- H.T. Chung, Y. Park, S. Hyun, Y. Choi, G.H. Kim, D.G. Kim, et al., Determination of the absorbed dose rate to water for the 18-mm helmet of a gamma knife, Int J Radiat Oncol Biol Phys* Biology* Physics 79 (2011) 1580-1587, https://doi.org/10.1016/j.ijrobp.2010.05.039.
- H. Palmans, P. Andreo, M.S. Huq, J. Seuntjens, K.E. Christaki, A. Meghzifene, Dosimetry of small static fields used in external photon beam radiotherapy: summary of TRS-483, the IAEA-AAPM international Code of Practice for Reference and relative dose determination, Med. Phys. 45 (2018), e1123, https://doi.org/10.1002/mp.13208. 45-e1145.
- P.L. Petti, M.J. Rivard, P.E. Alvarez, G. Bednarz, J. Daniel Bourland, L.A. DeWerd, et al., Recommendations on the practice of calibration, dosimetry, and quality assurance for gamma stereotactic radiosurgery: report of AAPM Task Group 178, Med. Phys. 48 (2021) e733-e770, https://doi.org/10.1002/mp.14831.
- Unintended attenuation in the Leksell Gamma Knife Perfexioncalibration-phantom adaptor and its effect on dose calibration, Jagdish P Bhatnagar et al. Med Phys (2009), https://doi.org/10.1118/1.3093240.
- J.H. Park, J.H. Han, C.Y. Kim, C.W. Oh, D.H. Lee, T.S. Suh, et al., Application of the gamma evaluation method in gamma Knife film dosimetry, Med. Phys. 38 (2011) 5778-5787, https://doi.org/10.1118/1.3641644.
- V. Sarkar, L. Huang, Y.J. Huang, M.W. Szegedi, P. Rassiah-Szegedi, H. Zhao, B.J. Salter, Head to head comparison of two commercial phantoms used for SRS QA, J. Radiosurg. SBRT 4 (3) (2016) 213-223. https://www.ncbi.nlm.nih.gov/pubmed/29296446.
- J.P. Chung, Y.M. Seong, T.Y. Kim, Y. Choi, T.H. Kim, H.J. Choi, et al., Development of a PMMA phantom as a practical alternative for quality control of gamma knife® dosimetry, Radiat. Oncol. 13 (2018) 176, https://doi.org/10.1186/s13014-018-1117-8.
- J. Seco, P.M. Evans, Assessing the effect of electron density in photon dose calculations, Med. Phys. 33 (2006) 540-552, https://doi.org/10.1118/1.2161407.
- Y. Choi, K.J. Chun, E.S. Kim, J.B. Bahng, H.J. Yang, T.H. Kim, et al., Consistency of dose rates after applying machine-specific reference correction factors for the gamma knife 16mm collimator field, Med. Phys. (2023) 1-9, https://doi.org/10.1002/mp.16242.
- L. Mirzakhanian, H. Benmakhlouf, F. Tessier, J. Seuntjens, Determination of factors for ion chambers used in the calibration of Leksell gamma Knife Perfexion model using EGSnrc and PENELOPE Monte Carlo codes, Med. Phys. 45 (2018) 1748-1757, https://doi.org/10.1002/mp.12821.
- E. Zoros, A. Moutsatsos, E.P. Pappas, E. Georgiou, G. Kollias, P. Karaiskos, et al., Monte Carlo and experimental determination of correction factors for gamma knife perfexion small field dosimetry measurements, Phys. Med. Biol. 62 (2017) 7532-7555, https://doi.org/10.1088/1361-6560/aa8590.
- T. Schaarschmidt, T.H. Kim, Y.K. Kim, H.J. Yang, H.T. Chung, GEANT4-based Monte Carlo simulation of beam quality correction factors for the Leksell gamma Knife® Perfexion, J. Kor. Phys. Soc. 73 (2018) 1814-1820, https://doi.org/10.3938/jkps.73.1814.
- T. Schaarschmidt, GEANT4-based Monte Carlo Simulation of Beam Quality Correction Factors for the Leksell Gamma Knife® PerfexionTM, Thesis for the Doctor of Philosophy, 2019.
- A. Niroomand-Rad, C.R. Blackwell, B.M. Coursey, K.P. Gall, J.M. Galvin, W.L. McLaughlin, et al., Radiochromic film dosimetry: recommendations of AAPM radiation therapy committee task group 55. American Association of Physicists in Medicine, Med. Phys. 25 (1998) 2093-2115, https://doi.org/10.1118/1.598407.