Monte Carlo modeling of the ModuLeaf miniature MLC for small field dosimetry and quality assurance of the clinical treatment planning system

Physics in Medicine and Biology

Volumn 52, Issue 11, 2007, Pages 3275-3290

  Crop, F ^a,b   Reynaert, N ^a   Pittomvils, G ^b   Paelinck, L ^b   De Gersem, W ^b   De Wagter, C ^b   Vakaet, L ^b   De Neve, W ^b   Thierens, H ^a  

^a GHENT UNIVERSITY   (Belgium)

^b GHENT UNIVERSITY HOSPITAL   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; DATA REDUCTION; MATHEMATICAL MODELS; MONTE CARLO METHODS; QUALITY ASSURANCE; THIN FILMS;

CLINICAL TREATMENT PLANNING SYSTEMS; CONFORMAL STEREOTACTIC RADIOSURGERY TREATMENT; PHOTON BEAMS; PINNACLE SIMULATIONS;

DOSIMETRY;

ARTICLE; CALCULATION; CLINICAL DECISION MAKING; COLLIMATOR; COMPARATIVE STUDY; DOSIMETRY; IMAGE QUALITY; MATHEMATICAL MODEL; MONTE CARLO METHOD; PHOTON; PRIORITY JOURNAL; RADIATION BEAM; RADIATION DOSE; RADIOSURGERY; STEREOTAXIC SURGERY; TREATMENT PLANNING;

ALGORITHMS; COMPUTER SIMULATION; DOSE-RESPONSE RELATIONSHIP, RADIATION; HUMANS; MONTE CARLO METHOD; PARTICLE ACCELERATORS; PHANTOMS, IMAGING; PHOTONS; QUALITY CONTROL; RADIATION DOSAGE; RADIOMETRY; RADIOSURGERY; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; X-RAY FILM;

EID: 34249074508     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/52/11/022     Document Type: Article

References (56)

1. Belec J, Patrocinio H and Verhaegen F 2005 Development of a Monte Carlo model for the Brainlab microMLC Phys. Med. Biol. 50 787-99
2. Bortfeld T, Oelfke U and Nill S 2000 What is the optimum leaf width of a multileaf collimator? Med. Phys. 27 2494-502
3. Bortfeld T 2006 IMRT: a review and preview Phys. Med. Biol. 51 R363-79
4. Bjarngard B E, Tsai J S and Rice R K 1990 Doses on the central axes of narrow 6 MV x-ray beams Med. Phys. 17 794-9
5. Capote R, Sanchez-Doblado F, Leal A, Lagares J I and Arràns R 2004 An EGSnrc Monte Carlo study of the miniature ionization chamber for reference dosimetry of narrow irregular IMRT beamlets Med. Phys. 31 2416-22
6. Chaves A, Lopes M C, Alves C C, Oliveira C, Peralta L, Rodrigues P and Trindade A 2003 Basic dosimetry of radiosurgery narrow beams using Monte Carlo simulations: a detailed study of depth of maximum dose Med. Phys. 30 2904-11
7. Cosgrove V P, Jahn U, Pfaender M, Bauer S, Budach V and Wurm R E 1999 Commissioning of a micro multi-leaf collimator and planning system for stereotactic radiosurgery Radiother. Oncol. 50 325-35
8. Daryoush S-B, Rogers D W O, Ross C K and Seuntjes J 2000 Comparison of measured and Monte Carlo calculated dose distributions from the NRC linac Med. Phys. 27 2256-66
9. Das I J 2006 Small Field Dosimetry (ESTRO Pre-Meeting Workshop, Leipzig, 2006)
10. De Gersem W, Claus F, De Wagter C and De Neve W 2001 An anatomy-based beam segmentation tool for intensity-modulated radiation therapy and its application to head-and-neck cancer Int. J. Radiat. Oncol. Biol. Phys. 51 849-59
11. De Smedt B, Reynaert N, De Neve W and Thierens H 2004 DOSSCORE: an accelerated DOSXYZnrc code with an efficient stepping algorithm and scoring grid Phys. Med. Biol. 49 4623-35
12. De Vlamynck K, Palmans H, Verhaegen F, De Wagter C, De Neve W and Thierens H 1999 Dose measurements compared with Monte Carlo simulations of narrow 6 MV multileaf collimator shaped photon beams Med. Phys. 26 1874-82
13. Deng J, Guerrero T, Ma C M and Nath R 2004 Modelling 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning Phys. Med. Biol. 49 1689-704
14. Ding G 2002 Dose discrepancies between Monte Carlo calculations and measurements in the buildup region for a high-energy photon beam Med. Phys. 29 2459-63
15. Ding G X, Duggan D M and Coffey C W 2006 Commissioning stereotactic radiosurgery beams using both experimental and theoretical methods Phys. Med. Biol. 51 2549-66
16. Duggan D M and Coffey C W 1998 Small photon field dosimetry for stereotactic radiosurgery Med. Dosim. 23 153-9
17. Fiveash J B, Murshed H, Duan J, Hyatt M, Caranto J, Bonner J A and Popple R A 2002 Effect of multileaf collimator leaf width on physical dose distributions in the treatment of CNS and head and neck neoplasms with intensity modulated radiation therapy Med. Phys. 29 1116-9
18. Hartmann G H and Fohlisch F 2002 Dosimetric Characterization of a new miniature multileaf collimator Phys. Med. Biol. 47 N171-7
19. Hoban P W, Heydarian M, Beckham W A and Beddoe A H 1994 Dose rate dependence of a PTW diamond detector in the dosimetry of a 6 MV photon beam Phys. Med. Biol. 39 1219-29
20. Kawrakow I and Fippel M 2000 Investigation of variance reduction techniques for Monte Carlo photon dose calculation using XVMC Phys. Med. Biol. 45 2163-83
21. Keall P J, Siebers J V, Joshi S and Mohan R 2004 Monte Carlo as a four-dimensional radiotherapy treatment-planning tool to account for respiratory motion Phys. Med. Biol. 49 3639-48
22. Kubo H D, Wilder R B and Pappas C T 1999 Impact of collimator leaf width on stereotactic radiosurgery and 3D conformal radiotherapy treatment plans Int. J. Radiat. Oncol. Biol. Phys. 44 937-45
23. Kubo O, Chernov M, Izawa M, Hayashi M, Muragaki Y, Maruyama T, Hori T and Takakura K 2005 Malignant progression of benign brain tumors after gamma knife radiosurgery: is it really caused by irradiation? Minim. Invasive Neurosurg. 48 334-9
24. Laub W U, Kaulich T W and Nüsslin F 1997 Energy and dose rate dependence of a diamond detector in the dosimetry of 4-25 MV photon beams Med. Phys. 24 535-6
25. Laub W U and Wong T 2003 The volume effect of detectors in the dosimetry of small fields used in IMRT Med. Phys. 30 341-536
26. Laws E R, Sheehan J P, Sheehan J M, Jagnathan J, Jane J A Jr and Oskouian R 2004 Stereotactic radiosurgery for pituitary adenomas: a review of the literature J. Neurooncol. 69 257-72
27. Leal A, Sànchez-Doblado F, Arràns R, Capote R, Lagares J I, Pavón E C and Roselló J 2004 MLC leaf width impact on the clinical dose distribution: a Monte Carlo approach Int. J. Radiat. Oncol. Biol. Phys. 59 1548-59
28. Liwnicz B H, Berger T S, Liwnicz R G and Aron B S 1985 Radiation-associated gliomas: a report of four cases and analysis of postradiation tumors of the central nervous system Neurosurgery 17 436-45
29. Low D A and Dempsey J F 2003 Evaluation of the gamma dose distribution comparison method Med. Phys. 30 2455-64
30. Ma C-M and Rogers D W O 1995 Beam characterization: a multiple-source model National Research Council of Canada Report PIRS-0509(D) (Ottawa, Canada: National Research Council of Canada)
31. Mackie T R, Scrimger J and Battista J 1985 A convolution method of calculating dose for 15 MV x-rays Med. Phys. 12 188-96
32. Martens C, De Wagter C and De Neve W 2000 The value of the PinPoint ion chamber for characterization of small field segments used in intensity-modulated radiotherapy Phys. Med. Biol. 45 2519-30
33. McIver J I and Pollock B E 2004 Radiation-induced tumor after stereotactic radiosurgery and whole brain radiotherapy: case report and literature review J. Neurooncol. 66 301-5
34. McKerracher C and Thwaites D I 1999 Assessment of new small-field detectors against standard-field detectors for practical stereotactic beam data acquisition Phys. Med. Biol. 44 2143-60
35. Paelinck L, De Neve W and De Wagter C 2007 Precautions and strategies in using a commercial flatbed scanner for radiochromic film dosimetry Phys. Med. Biol. 52 231-42
36. 3 ion chamber dose measurement in the build-up region of the 6 MV clinical beam Phys. Med. Biol. 51 1523-32
37. Perks J, Rosenberg I and Warrington J 1999 Dose quality assurance for stereotactic radiotherapy treatments Phys. Med. Biol. 44 N209-15
38. Pittomvils G, Coghe M, De Gersem W, Crop F, Van Duyse B, Jacobs F, De Wagter C and De Neve W 2006 MLC based stereotactic radiosurgery: the accuracy of the collapsed cone algorithm of Pinnacle 7.4 modelled and controlled using a consistent data set obtained by several independent detectors Radiother. Oncol. 81 S137
39. Pittomvils G, Coghe M, De Gersem W, Crop F, Van Duyse B, Jacobs F, De Wagter C and De Neve W 2007 Measurement techniques, modeling strategies and pitfalls to avoid when implementing a mini MLC in a non-dedicated planning system Strahlenther. Onkol. in preparation
40. Ramani R, Ketko M G, O'Brien P F and Schwartz M L 1995 A QA phantom for dynamic stereotactic radiosurgery: quantitative measurements Med. Phys. 22 1343-6
41. Ramani R, Lightstone A W, Mason D L and O'Brien P F 1994 The use of radiochromic film in treatment verification of dynamic stereotactic radiosurgery Med. Phys. 21 389-92
42. Ramaseshan R and Heydarian M 2003 Comprehensive quality assurance for stereotactic radiosurgery treatments Phys. Med. Biol. 48 N199-205
43. Reynaert N, De Smedt B, Coghe M, Paelinck L, Van Duyse B, De Gersem W, De Wagter C, De Neve W and Thierens H 2004 MCDE: a new Monte Carlo dose engine for IMRT Phys. Med. Biol. 49 N235-41
44. Rogers D W O, Ma C-M, Walters B, Ding G X, Sheikh-Bagheri D and Zang G 2002 BEAMnrc User Manual (Canada: National Research Council of Canada)
45. Sànchez-Doblado F, Andreo P, Capote R, Leal A, Perucha M, Arràns R, Nùnez L, Mainegra E, Lagares J I and Carrasco E 2003 Ionization chamber dosimetry of small photon fields: a Monte Carlo study on stopping-power ratios for radiosurgery and IMRT beams Phys. Med. Biol. 48 2081-99
46. Sheehan J, Yen C P and Steiner L 2006 Gamma knife surgery-induced meningioma. Report of two cases and review of the literature J. Neurosurg. 105 325-9
47. Sixel K E and Podgorsak E B 1994 Buildup region of high-energy x-ray beams in radiosurgery Med. Phys. 20 761-4
48. Tewell M A and Adams R 2004 The PLUNC 3D treatment planning system: a dynamic alternative to commercially available systems Med. Dosim. 29 134-8
49. Van de Walle J, Martens C, Reynaert N, Palmans H, Coghe M, De Neve W, De Wagter C and Thierens H 2003 Monte Carlo model of the Elekta SLiplus accelerator: validation of a new MLC component module in BEAM for a 6 MV beam Phys. Med. Biol. 48 371-85
50. Vanderstraeten B, Paelinck L, Madani I, De Wagter C, De Gersem W and De Neve W 2006 Accuracy of patient dose calculations for lung IMRT: a comparison of Monte Carlo, convolution/superposition and pencil beam computations Med. Phys. 33 3149-58
51. Verhaegen F, Das I J and Palmans H 1998 Monte Carlo dosimetry study of a 6 MV stereotactic radiosurgery unit Phys. Med. Biol. 43 2755-68
52. Verhaegen F, Symonds-Tayler R, Liu H H and Nahum A E 2000 Backscatter towards the monitor ion chamber in high-energy photon and electron beams: charge integration versus Monte Carlo simulation Phys. Med. Biol. 45 3159-70
53. Wamied A-R, Seuntjes J P, Verhaegen F, Deblios F and Podgorsak E B 2005 Validation of Monte Carlo calculated surface doses for megavoltage photon beams Med. Phys. 32 286-98
54. Wang L, Movsas B, Jacob R, Fourkal E, Chen L, Price R, Feigenberg S, Konski A, Pollack A and Ma C 2004 Stereotactic IMRT for prostate cancer: dosimetric impact of multileaf collimator leaf width in the treatment of prostate cancer with IMRT J. Appl. Clin. Med. Phys. 5 29-41
55. Xia P, Geis P, Xing L, Ma C, Findley D, Forster K and Boyer A 1999 Physical characteristics of a miniature multileaf collimator Med. Phys. 26 65-70
56. Zhu T C and Bjärngard B E 1994 The head-scatter factor for small field sizes Med. Phys. 21 65-8