Analysis of dose conformity and normal-tissue sparing using two different IMRT prescription methodologies for irregularly shaped CNS lesions irradiated with the Beak and 1-cm MIMiC collimators

International Journal of Radiation Oncology Biology Physics

Volumn 59, Issue 1, 2004, Pages 285-292

  Zinkin, Heather D ^a,b   Rivard, Mark J ^a   Mignano, John E ^a   Wazer, David E ^a  

^a TUFTS UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b TUFTS MEDICAL CENTER   (United States)

Author keywords

Beak; Central nervous system tumor; Conformity index; Intensity modulated radiation therapy

Indexed keywords

ALGORITHMS; BRAIN; OPTIMIZATION; RADIOTHERAPY; TUMORS;

DOSE CONFORMITY; INTENSITY-MODULATED RADIOTHERAPY (IMRT); RADIO SURGERY;

ONCOLOGY;

ALGORITHM; ARTICLE; BRAIN STEM; CALCULATION; CENTRAL NERVOUS SYSTEM TUMOR; CLINICAL ARTICLE; COLLIMATOR; CONTROLLED STUDY; DOSIMETRY; HUMAN; INTENSITY MODULATED RADIATION THERAPY; METHODOLOGY; OPTIC CHIASM; OPTIC NERVE; ORBIT; PATIENT SELECTION; PRESCRIPTION; PRIORITY JOURNAL; TREATMENT PLANNING;

ALGORITHMS; CENTRAL NERVOUS SYSTEM NEOPLASMS; CHONDROSARCOMA; GLIOBLASTOMA; HUMANS; MELANOMA; MENINGEAL NEOPLASMS; MENINGIOMA; NEUROMA, ACOUSTIC; PITUITARY NEOPLASMS; RADIATION INJURIES; RADIATION PROTECTION; RADIOTHERAPY DOSAGE; RADIOTHERAPY, CONFORMAL;

EID: 16544395131     PISSN: 03603016     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrobp.2004.01.018     Document Type: Article

References (19)

1. Teh B.S., Mai W.Y., Grant W.H., et al. Intensity modulated radiotherapy (IMRT) decreases treatment-related morbidity and potentially enhances tumor control. Cancer Investig. 20:2002;437-451.
2. Larson D.A., Wara W.M. Radiotherapy of primary malignant brain tumors. Semin Surg Oncol. 14:1998;34-42.
3. Pirzkall A., Carol M., Lohr F., Hoss A., Wannenmacher M., Debus J. Comparison of intensity-modulated radiotherapy with conventional conformal radiotherapy for complex-shaped tumors. Int J Radiat Oncol Biol Phys. 48:2000;1371-1380.
4. Thilmann C., Zabel A., Grosser K.H., Hoess A., Wannenmacher M., Debus J. Intensity-modulated radiotherapy with an integrated boost to the macroscopic tumor volume in the treatment of high-grade gliomas. Int J Cancer. 96:2001;341-349.
5. Pirzkall A., Debus J., Haering P., et al. Intensity modulated radiotherapy (IMRT) for recurrent, residual, or untreated skull-base meningiomas Preliminary clinical experience. Int J Radiat Oncol Biol Phys. 55:2003;362-372.
6. Fiveash J.B., Murshed H., Duan J., et al. 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. 29:2002;1116-1119.
7. Low D. Physics of intensity modulated radiation therapy for head and neck cancer. Chao K.C., Ozyigit G. Intensity modulated radiation therapy for head and neck cancer. 2003;1-15 Lippincott Williams and Wilkins, St. Louis.
8. Salter B. NOMOS Peacock IMRT utilizing the Beak post collimation device. Med Dosim. 26:2001;37-45.
9. Tsai J.-S., Engler M.J., Ling M.N., et al. A non-invasive immobilization system and related quality assurance for dynamic modulated radiation therapy of intracranial and head and neck disease. Int J Radiat Oncol Biol Phys. 43:1999;455-467.
10. Schulz R.J., Kagan A.R. On the role of intensity-modulated radiation therapy in radiation oncology. Med Phys. 29:2002;1473-1482.
11. ICRU Prescribing, recording and reporting photon beam therapy (Supplement to ICRU Report 50), International Commission of Radiation Units and Measurements (ICRU 62, Bethesda, MD1999).
12. Knöös T., Kristensen I., Nilsson P. Volumetric and dosimetric evaluation of radiation treatment plans Radiation conformity index. Int J Radiat Oncol Biol Phys. 42:1998;1169-1176.
13. Paddick I. A simple scoring ratio to index the conformity of radiosurgical treatment plans. J Neurosurg. 93:2000;219-222.
14. Nakamura J.L., 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.
15. Borden J.A., Mahajan A., Tsai J.-S. A quality factor to compare the dosimetry of gamma knife radiosurgery and intensity-modulated radiation therapy quantitatively as a function of target volume and shape. J Neurosurg. 93:2000;228-232.
16. 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 Radiation Therapy Oncology Group protocol 90-05. Int J Radiat Oncol Biol Phys. 34:1996;647-654.
17. Bauman G.S., Sneed P.K., Wara W.M., et al. Reirradiation of primary CNS tumors. Int J Radiat Oncol Biol Phys. 36:1996;433-441.
18. Nakamura J.L., 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.
19. Mignano J.E., Engler M.J., Tsai J.-S., Wazer D.E. Comparison of radiobiologic modeling for one- and two-isocenter dose distributions applied to ellipsoidal radiosurgery targets. Int J Radiat Oncol Biol Phys. 49:2001;833-837.