Head scatter factors for small MV photon fields. Part II: The effects of source size and detector

Radiotherapy and Oncology

Volumn 85, Issue 2, 2007, Pages 286-291

  McKerracher, Carolyn ^a   Thwaites, David I ^a  

^a WESTERN GENERAL HOSPITAL   (United Kingdom)

Author keywords

Detectors; Head scatter; Small fields; Stereotactic

Indexed keywords

ARTICLE; CIRCULAR STEREOTACTIC RADIOTHERAPY; COLLIMATOR; DIAGNOSTIC ACCURACY; DIAMOND DETECTOR; DIODE; DOSIMETRY; ELECTRON DETECTOR; INTENSITY MODULATED RADIATION THERAPY; MONTE CARLO METHOD; NONHUMAN; PHANTOM; PHOTON ABSORPTIOMETRY; PHOTON DETECTOR; PRIORITY JOURNAL; RADIATION DETECTION; RADIATION DETECTOR; RADIATION FIELD; RADIATION SCATTERING; SOLID STATE; STEREOTACTIC DIODE; STEREOTAXIC SURGERY;

MODELS, STRUCTURAL; PHOTONS; RADIOMETRY; RADIOTHERAPY, INTENSITY-MODULATED; SCATTERING, RADIATION;

EID: 36349023169     PISSN: 01678140     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.radonc.2007.09.006     Document Type: Article

References (13)

1. Holt J.G., Laughlin J.S., and Moroney J.P. The extension of the concept of tissue-air-ratios (TAR) to high-energy X-ray beams. Radiology 96 (1970) 437-446
2. Dutreix A, Bjarngard BE, Bridier A, Mijnheer B, Shaw JE, Svensson H. Monitor unit calculation for high energy photon beams. ESTRO Booklet No. 3. Garant Publishers N.V.; 1997.
3. Netherlands Commission on Radiation Dosimetry. Recommendations for the determination and use of scatter correction factors of megavoltage photon beams. NCS Report No. 12; 1998.
4. van Gasteren J.J.M., Heukelom S., van Kleffens H.J., van der Laarse R., Venselaar J.L.M., and Westermann C.F. The determination of phantom and collimator scatter components of the output of megavoltage photon beams: measurement of the collimator scatter part with a beam-coaxial narrow cylindrical phantom. Radiother Oncol 20 (1991) 250-257
5. Jordan T.J. Megavoltage X-ray beams: 2-50 MV. Br J Radiol (1996) 62-83
6. McKerracher C., and Thwaites D.I. Head scatter factors for small fields. Part I: A comparison of phantom types and methodologies. Radiother Oncol. 85 (2007) 277-285
7. Winston K.R., and Lutz W. Linear accelerator as a neurosurgical tool for stereotactic radiosurgery. Neurosurgery 22 (1998) 454-464
8. McKerracher C., and Thwaites D.I. Verification of the dose to the isocentre in stereotactic plans. Radiother Oncol 64 (2002) 97-107
9. McKerracher C., and Thwaites D.I. Notes on the construction of solid-state detectors. Radiother Oncol 79 (2006) 348-351
10. Zhu T.C., and Bjarngard B.E. The head scatter factor for small field sizes. Med Phys 21 (1994) 65-68
11. Jaffray D.A., Battista J.J., Fenster A., and Munro P. X-ray sources of medical linear accelerators: focal and extra-focal radiation. Med Phys 20 (1993) 1417-1427
12. Wang L.L., and Leszczynski K. Estimation of the focal spot size and shape for a medical linear accelerator by Monte Carlo simulation. Med Phys 34 (2007) 485-488
13. McKerracher C., and Thwaites D.I. Assessment of new small-field detectors against standard field detectors for practical stereotactic beam data acquisition. Phys Med Biol 44 (1999) 2143-2160