A megavoltage scatter correction technique for cone-beam CT images acquired during VMAT delivery

Physics in Medicine and Biology

Volumn 57, Issue 12, 2012, Pages 3727-3739

  Boylan, C J ^a,b   Marchant, T E ^a,b   Stratford, J ^a   Malik, J ^a   Choudhury, A ^a   Shrimali, R ^a   Rodgers, J ^a   Rowbottom, C G ^a,b  

^a CHRISTIE HOSPITAL   (United Kingdom)

^b UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CLINICAL IMAGES; CONE-BEAM CT; CONTRAST TO NOISE RATIO; CORRECTION METHOD; DATA SETS; HIGH CONTRAST; KV-CBCT; MEGAVOLTAGE; PATIENT DATA; SCATTER CORRECTION; SCATTER CORRECTION METHOD; SCORING SYSTEMS; SOFT TISSUE; TREATMENT BEAMS; VOLUMETRIC MODULATED ARC THERAPY;

COMPUTERIZED TOMOGRAPHY; ELECTROMAGNETIC WAVE ATTENUATION; HOSPITAL DATA PROCESSING; IMAGE QUALITY; SCATTERING; TISSUE; UROLOGY;

PATIENT TREATMENT;

ARTICLE; COMPUTER ASSISTED RADIOTHERAPY; CONE BEAM COMPUTED TOMOGRAPHY; HUMAN; IMAGE PROCESSING; IMAGE QUALITY; MALE; METHODOLOGY; PROSTATE TUMOR; RADIATION SCATTERING; RADIOGRAPHY;

CONE-BEAM COMPUTED TOMOGRAPHY; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MALE; PHANTOMS, IMAGING; PROSTATIC NEOPLASMS; RADIOTHERAPY, COMPUTER-ASSISTED; SCATTERING, RADIATION;

EID: 84862001765     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/57/12/3727     Document Type: Article

References (15)

1. Boylan C J, Rowbottom C G and Mackay R I 2011 The use of a realistic VMAT delivery emulator to optimize dynamic machine parameters for improved treatment efficiency Phys. Med. Biol. 56 411933
2. Cao D, Afghan M K, Ye J, Chen F and Shepard D M 2009 A generalized inverse planning tool for volumetric-modulated arc therapy Phys. Med. Biol. 54 672538
3. Choi K, Wang J, Zhu L, Suh T S, Boyd S and Xing L 2010 Compressed sensing based cone-beam computed tomography reconstruction with a first-order method Med. Phys. 37 511325
4. Hugo G, Matuszak M M, Campbell J and Yan D 2008 Cone beam CT acquisition during volumetric arc radiotherapy delivery: correction for induced artifacts Med. Phys. 35 2892
5. Ling C, Zhang P, Etmektzoglou T, Star-Lack J, Sun M, Shapiro E and Hunt M 2011 Acquisition of MV-scatter-free kilovoltage CBCT images during RapidArc or VMAT Radiother. Oncol. 100 1459
6. Nakagawa K et al 2009a First clinical cone-beam CT imaging during volumetric modulated arc therapy Radiother. Oncol. 90 4223
7. Nakagawa K, Kida S, Haga A, Masutani Y, Yamashita H, Imae T, Tanaka K, Ohtomo K, Iwai Y and Yoda K 2011 Cone beam computed tomography data acquisition during VMAT delivery with subsequent respiratory phase sorting based on projection image cross-correlation J. Radiat. Res. (Tokyo) 52 1123
8. Nakagawa K, Shiraishi K, Kida S, Haga A, Yamamoto K, Saegusa S, Terahara A, Itoh S, Ohtomo K and Yoda K 2009b First report on prostate displacements immediately before and after treatment relative to the position during VMAT delivery Acta Oncol. 48 12068
9. Otto K 2008 Volumetric modulated arc therapy: IMRT in a single gantry arc Med. Phys. 35 3107
10. Sonke J J, Rossi M, Wolthaus J, van Herk M, Damen E and Belderbos J 2009 Frameless stereotactic body radiotherapy for lung cancer using four-dimensional cone beam CT guidance Int. J. Radiat. Oncol. Biol. Phys 74 56774
11. van Herk M, Ploeger L and Sonke J J 2011 A novel method for megavoltage scatter correction in cone-beam CT acquired concurrent with rotational irradiation Radiother. Oncol. 100 3659
12. Verellen D, De Ridder M and Storme G 2008 A (short) history of image-guided radiotherapy Radiother. Oncol. 86 413
13. Williams P, Sykes J and Moore C 2004 The effects of radiation scatter from simultaneous MV irradiation on kV fluoroscopic and x-ray volume imaging with the Elekta synergy system Radiother. Oncol. 73 S22930
14. Yu C X and Tang G 2011 Intensity-modulated arc therapy: principles, technologies and clinical implementation Phys. Med. Biol. 56 R3154
15. Zhang P, Happersett L, Hunt M, Jackson A, Zelefsky M and Mageras G 2010 Volumetric modulated arc therapy: planning and evaluation for prostate cancer cases Int. J. Radiat. Oncol. Biol. Phys. 76 145662