Conformity of LINAC-Based Stereotactic Radiosurgery Using Dynamic Conformal Arcs and Micro-Multileaf Collimator

International Journal of Radiation Oncology Biology Physics

Volumn 73, Issue 2, 2009, Pages 562-570

  Hazard, Lisa J ^a   Wang, Brian ^a   Skidmore, Thomas B ^a   Chern, Shyh Shi ^b   Salter, Bill J ^a   Jensen, Randy L ^a   Shrieve, Dennis C ^a  

^a UNIVERSITY OF UTAH   (United States)

^b SAINT VINCENT HOSPITAL   (United States)

Author keywords

Conformity index; Dynamic conformal arc; Gamma knife; Radiotherapy; Stereotactic radiosurgery

Indexed keywords

CAVITY RESONATORS; LINEAR ACCELERATORS; TARGETS;

CONFORMITY INDEX; GAMMA KNIFE; NORMAL TISSUES; RADIOSURGERY; STANDARDIZED METHODS; STEREOTACTIC RADIOSURGERY; TARGET COVERAGES; TARGET VOLUMES;

RADIOTHERAPY;

ACOUSTIC NEURINOMA; ANGIOMA; ARTERIOVENOUS MALFORMATION; ARTICLE; CANCER RADIOTHERAPY; CHORDOMA; DOSIMETRY; GAMMA KNIFE RADIOSURGERY; GLIOMA; HEMANGIOBLASTOMA; HUMAN; HYPOPHYSIS ADENOMA; LINEAR ACCELERATOR; MAJOR CLINICAL STUDY; MEDULLOBLASTOMA; MENINGIOMA; NONHODGKIN LYMPHOMA; PRESCRIPTION; PRIORITY JOURNAL; RADIATION DOSE; RADIATION DOSE DISTRIBUTION; RETROSPECTIVE STUDY; STEREOTACTIC RADIOSURGERY; TREATMENT PLANNING;

ALGORITHMS; BRAIN NEOPLASMS; HUMANS; PRESCRIPTIONS; RADIOSURGERY; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; RETROSPECTIVE STUDIES; TUMOR BURDEN;

EID: 58149329102     PISSN: 03603016     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrobp.2008.04.026     Document Type: Article

References (33)

1. Feuvret L., Noel G., Mazeron J.J., et al. Conformity index: A review. Int J Radiat Oncol Biol Phys 64 (2006) 333-342
2. Nakamura J., Verhey L.J., Smith V., et al. Dose conformity of gamma knife radiosurgery and risk factors for complications. Int J Radiat Oncol Biol Phys 51 (2001) 1313-1319
3. Smith V., Verhey L.J., and Serago C.F. Comparison of radiosurgery treatment modalities based on complication and control probabilities. Int J Radiat Oncol Biol Phys 40 (1998) 507-513
4. Kijewski P. Three dimensional treatment planning. In: Mauch P.M., and Loefller J.S. (Eds). Radiation oncology: biology and technology (1994), WB Saunders, Philadelphia 10-33
5. Ganz J., Backlund E.O., and Thorsen F.A. The results of gamma knife surgery of meningiomas, related to size of tumor and dose. Stereotact Funct Neurosurg 61 Suppl. 1 (1993) 23-29
6. Kobayashi T., Kida Y., Mori Y., et al. Long-term results of gamma knife surgery for the treatment of craniopharyngioma in 98 consecutive cases. J Neurosurg 103 6 Suppl. (2005) 482-488
7. Andrews D., Scott C.B., Sperduto P.W., et al. Whole brain radiation therapy with or without stereotactic radiosurgery boost for patients with one to three brain metastases: Phase III results of the RTOG 9508 randomised trial. Lancet 363 (2004) 1665-1672
8. Shaw E., Scott C., Souhami L., et al. Single dose radiosurgical treatment of recurrent previously irradiated primary brain tumors and brain metastases: Final report of RTOG protocol 90-05. Int J Radiat Oncol Biol Phys 47 (2000) 291-298
9. Solberg T., Boedeker K.L., Fogg R., et al. Dynamic arc radiosurgery field shaping: A comparison with static field conformal and noncoplanar circular arcs. Int J Radiat Oncol Biol Phys 49 (2001) 1481-1491
10. Luxton G., and Jozsef G. Single isocenter treatment planning for homogeneous dose delivery to nonspherical targets in multiarc linear accelerator radiosurgery. Int J Radiat Oncol Biol Phys 3 (1995) 635-643
11. Leavitt D., Tobler M., Gaffney D., et al. Comparison of interpolated vs. calculated micro-multileaf settings in dynamic conformal arc treatment. Med Dosim 25 (2000) 17-21
12. Leavitt D. Beam shaping for SRT/SRS. Med Dosim 23 (1998) 229-236
13. Lee C.M., Watson G.A., and Leavitt D.D. Dynamic collimator optimization compared with fixed collimator angle in arc-based stereotactic radiotherapy: A dosimetric analysis. Neurosurg Focus 19 (2005) E12-E16
14. Nedzi L., Kooy H.M., Alexander III E., et al. Dynamic field shaping for stereotactic radiosurgery: A modeling study. Int J Radiat Oncol Biol Phys 25 (1993) 859-869
15. Paddick I. A simple scoring ratio to index the conformity of radiosurgical treatment plans. J Neurosurg 93 (2000) 219-222
16. Baumert B., Lomax A., Miltchev M., et al. A comparison of dose distributions of proton and photon beams in stereotactic conformal radiotherapy of brain lesions. Int J Radiat Oncol Biol Phys 49 (2001) 1439-1449
17. Collins S., Coppa N., Zhang Y., et al. CyberKnife radiosurgery in the treatment of complex skull base tumors: Analysis of treatment planning parameters. Radiat Oncol 1 (2006) 46-56
18. Han C., Liu A., Schultheiss T.E., et al. Dosimetric comparisons of helical tomotherapy treatment plans and step-and-shoot intensity-modulated radiosurgery treatment plans in intracranial stereotactic radiosurgery. Int J Radiat Oncol Biol Phys 65 (2006) 608-616
19. Kubo H., Pappas C.T., and Wilder R.B. A comparison of arc-based and static mini-multileaf collimator-based radiosurgery treatment plans. Radiother Oncol 45 (1997) 89-93
20. Kuo J., Yu C., Giannotta S., et al. The Leksell Gamma Knife model U versus model C: A quantitative comparison of radiosurgical treatment parameters. Neurosurgery (2004) 168-172
21. Lindquist C., and Paddick I. The Leksell Gamma Knife Perfexion and comparisons with its predecessors. Neurosurgery 61 3 Suppl. (2007) 130-140 discussion 140-131
22. Lomax N.J., and Scheib S.G. Quantifying the degree of conformity in radiosurgery treatment planning. Int J Radiat Oncol Biol Phys 55 (2003) 1409-1419
23. Nakamura J., Pirzkall A., Carol M.P., et al. Comparison of intensity-modulated radiosurgery with gamma knife radiosurgery for challenging skull base lesions. Int J Radiat Oncol Biol Phys 55 (2003) 99-109
24. Shaw E., Scott C., Souhami L., et al. Radiosurgery for the treatment of previously irradiated recurrent primary brain tumors and brain metastases: Initial report of the Radiation Therapy Oncology Group protocol 90-05. Int J Radiat Oncol Biol Phys 34 (1996) 647-654
25. Ma L., Xia P., Verhey L., et al. A dosimetric comparison of fan-beam intensity modulated radiotherapy with gamma knife stereotactic radiosurgery for treating intermediate intracranial lesions. Int J Radiat Oncol Biol Phys 45 (1999) 1325-1330
26. Jin J., Fang-Fang Y., Ryu S., et al. Dosimetric study using different leaf-width MLCs for treatment planning of dynamic conformal arcs and intensity-modulated radiosurgery. Med Phys 32 (2005) 405-411
27. Kubo Dh W.R., and Pappas C.T.E. Impact of collimator leaf width on stereotactic radiosurgery and 3D conformal radiotherapy treatment plans. Int J Radiat Oncol Biol Phys 44 (1999) 937-945
28. Nedzi L., Looy H., Alexander E., et al. Variables associated with the development of complications from radiosurgery of intracranial tumors. Int J Radiat Oncol Biol Phys 21 (1991) 591-599
29. Sanchez-Nieto B., and Nahum A.E. The delta-TCP concept: A clinically useful measure of tumor control probability. Int J Radiat Oncol Biol Phys 44 (1999) 369-380
30. Tome W.A., and Fowler J.F. On cold spots in tumor subvolumes. Med Phys 29 (2002) 1590-1598
31. Brahme A. Dosimetric precision requirements in radiation therapy. Acta Radiol Oncol 23 (1984) 379-391
32. Goitein M. Causes and consequences of inhomogeneous dose distributions in radiation therapy. Int J Radiat Oncol Biol Phys 12 (1986) 701-704
33. Goitein M., and Niemierko A. Intensity modulated therapy and inhomogeneous dose to the tumor: A note of caution. Int J Radiat Oncol Biol Phys 36 (1996) 519-522