Modelling optical scattering artefacts for varying pathlength in a gel dosimeter phantom

Physics in Medicine and Biology

Volumn 54, Issue 2, 2009, Pages 275-283

  Bosi, Stephen G ^a,b   Brown, Saxby ^b,c   Sarabipour, Sarvenaz ^b,d   De Deene, Yves ^e   Baldock, Clive ^b  

^a PRINCE OF WALES HOSPITAL   (Australia)

^b UNIVERSITY OF SYDNEY   (Australia)

^c ROYAL NORTH SHORE HOSPITAL   (Australia)

^d UNIVERSITÉ DE SHERBROOKE   (Canada)

^e GHENT UNIVERSITY HOSPITAL   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

COLLOIDS; DOSIMETERS; DOSIMETRY; GELS; IMAGE RECONSTRUCTION; LIGHT SCATTERING; PROTEINS; SCATTERING; THREE DIMENSIONAL;

3D RECONSTRUCTIONS; CT SCANNERS; GEL DOSIMETRIES; GELATIN PHANTOMS; IN LINES; OPTICAL DENSITIES; OPTICAL SCATTERINGS; OPTICAL-; POLYMER GELS; SCATTERED LIGHTS;

GELATION;

GELATIN; POLYMER;

ARTICLE; ARTIFACT; COMPUTED TOMOGRAPHY SCANNER; DOSIMETER; DOSIMETRY; GEL; LIGHT SCATTERING; OPTICAL DENSITY; OPTICS; PHANTOM; PRIORITY JOURNAL; SIMULATION;

BIOPHYSICAL PHENOMENA; GELATIN; GELS; HUMANS; IMAGING, THREE-DIMENSIONAL; LIGHT; MODELS, THEORETICAL; PHANTOMS, IMAGING; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; RADIOMETRY; SCATTERING, RADIATION; TOMOGRAPHY, X-RAY COMPUTED;

EID: 58149234963     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/54/2/007     Document Type: Article

References (19)

1. Appleby A and Leghrouz A 1991 Imaging of radiation dose by visible color development in ferrous-agarose-xylenol orange gels Med. Phys. 18 309-12
2. Baldock C, Burford R P, Billingham N, Wagner G S, Patval S, Badawi R D and Keevil S F 1998 Experimental procedure for the manufacture and calibration of polyacrylamide gel (PAG) for magnetic resonance imaging (MRI) radiation dosimetry Phys. Med. Biol. 43 695-702
3. Baldock C, Harris P J, Piercy A R and Healy B 2001 Experimental determination of the diffusion coefficient in two-dimensions in ferrous sulphate gels using the finite element method Australas. Phys. Eng. Sci. Med. 24 19-30
4. Bosi S, Naseri P, Puran A, Davies J and Baldock C 2007 Initial investigation of a novel light-scattering gel phantom for evaluation of optical CT scanners for radiotherapy gel dosimetry Phys. Med. Biol. 52 2893-903
5. De Deene Y, Hanselaer P, De Wagter C, Achten E and De Neve W 2000 An investigation of the chemical stability of a monomer/polymer gel dosimeter Phys. Med. Biol 45 859-78
6. DOSGEL 1999 Proc. 1st Int. Workshop on Radiation Therapy Gel Dosimetry ed L J Schreiner and C Audet (Lexington, Kentucky: Canadian Organization of Medical Physicists)
7. DOSGEL 2001 Proc. 2nd Int. Conf. on Radiation Therapy Gel Dosimetry ed C Baldock and Y De Deene (Brisbane, Australia: Queensland University of Technology)
8. DOSGEL 2004 Proc. 3rd Int. Conf. on Radiation Therapy Gel Dosimetry ed Y De Deene and C Baldock (Ghent, Belgium: Ghent University)
9. DOSGEL 2006 Proc. 4th Int. Conf. on Radiation Therapy Gel Dosimetry ed M Lepage, A Jirasek and L J Schreiner (Sherbrooke, Canada: Universite de Sherbrooke)
10. Feldkamp L A, Davis L C and Kress J W 1984 Practical cone-beam reconstruction J. Opt. Soc. Am A 1 612-9
11. Gore J C, Ranade M, Maryanski M J and Schulz R J 1996 Radiation dose distributions in three dimensions from tomographic optical density scanning of polymer gels: I. Development of an optical scanner Phys. Med. Biol. 41 2695-2704
12. Healy B J, Zahmatkesh M H, Nitschke K N and Baldock C 2003 Effect of saccharide additives on response of ferrous-agarose-xylenol orange radiotherapy gel dosimeters Med. Phys. 30 2282-91
13. Hsieh J, Chao E, Thibault J, Grekowicz B, Horst A, McOlash S and Myers T J 2004 A novel reconstruction algorithm to extend the CT scan field-of-view Med. Phys. 31 2385-91
14. Krstajić N and Doran S J 2007 Fast laser scanning optical-CT apparatus for 3D radiation dosimetry Phys. Med. Biol. 52 N257-63
15. Miller J, Adamovics J and Dietrich J 2005 Cone beam optical CT scanner for 3D dosimetry Med. Phys. 32 2138
16. Oldham M, Siewerdsen J H, Shetty A and Jaffray D A 2001 High resolution gel-dosimetry by optical-CT and MR scanning Med. Phys. 28 1436-45
17. Sakhalkar H S and Oldham M 2008 Area detector based optical-CT scanner for 3D dosimetry Med. Phys 35 101-11
18. Venning A J, Hill B, Brindha S, Healy B J and Baldock C 2005 Investigation of the PAGAT polymer gel dosimeter using magnetic resonance imaging Phys. Med. Biol. 50 3875-88
19. Wind L and Szymanski W W 2002 Quantification of scattering corrections to the Beer-Lambert law for transmittance measurements in turbid media Meas. Sci. Technol 13 270-5