Virtual couch shift (VCS): Accounting for patient translation and rotation by online IMRT re-optimization

Physics in Medicine and Biology

Volumn 58, Issue 9, 2013, Pages 2989-3000

  Bol, G H ^a   Lagendijk, J J W ^a   Raaymakers, B W ^a  

^a UNIVERSITY MEDICAL CENTER UTRECHT   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ANATOMICAL CHANGES; CERVICAL CANCERS; CLINICAL WORKFLOW; DOSE DISTRIBUTIONS; INTENSITY-MODULATED RADIOTHERAPY; LARGE ROTATION; PATIENT ANATOMY; PATIENT GEOMETRIES;

OPTIMIZATION; ROTATION;

PATIENT TREATMENT;

ALGORITHM; ARTICLE; COMPUTER ASSISTED RADIOTHERAPY; FEMALE; HUMAN; IMAGE QUALITY; INTENSITY MODULATED RADIATION THERAPY; METHODOLOGY; NUCLEAR MAGNETIC RESONANCE IMAGING; ORGANS AT RISK; RADIATION DOSE; RADIATION EXPOSURE; ROTATION; UTERINE CERVIX TUMOR;

ALGORITHMS; FEMALE; HUMANS; MAGNETIC RESONANCE IMAGING; ORGANS AT RISK; PHANTOMS, IMAGING; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; RADIOTHERAPY, INTENSITY-MODULATED; ROTATION; UTERINE CERVICAL NEOPLASMS;

EID: 84876483417     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/58/9/2989     Document Type: Article

References (19)

1. Ahmad R, Hoogeman M S, Quint S, Mens J W, Osorio E M and Heijmen B J 2012 Residual setup errors caused by rotation and non-rigid motion in prone-treated cervical cancer patients after online CBCT image-guidance Radiother. Oncol. 103 322-6
2. Berker Y et al 2012 MRI-based attenuation correction for hybrid PET/MRI systems: a 4-class tissue segmentation technique using a combined ultrashort-echo-time/Dixon MRI sequence J. Nucl. Med. 53 796-804
3. Bol G H, Hissoiny S, Lagendijk J J W and Raaymakers B W 2012 Fast online Monte Carlo-based IMRT planning for the MRI linear accelerator Phys. Med. Biol. 57 1375-85
4. Cao D, Earl M A, Luan S and Shepard D M 2006 Continuous intensity map optimization (CIMO): a novel approach to leaf sequencing in step and shoot IMRT Med. Phys. 33 859-67
5. Goldman S P, Chen J Z and Battista J J 2005 Feasibility of a fast inverse dose optimization algorithm for IMRT via matrix inversion without negative beamlet intensities Med. Phys. 32 3007-16 (Pubitemid 41384098)
6. Goldman S P, Thurnbull D, Johnson C, Chen J Z and Battista J J 2009 Real-time fast inverse dose optimization for image guided adaptive radiation therapy - enhancements to fast inverse dose optimization (FIDO) J. Appl. Phys. 105 102008
7. Hissoiny S, Ozell B, Bouchard H and Despres P 2011a GPUMCD: a new GPU-oriented Monte Carlo dose calculation platform Med. Phys. 38 754-64
8. Hissoiny S, Raaijmakers A J, Ozell B, Despres P and Raaymakers B W 2011b Fast dose calculation in magnetic fields with GPUMCD Phys. Med. Biol. 56 5119-29
9. Johansson A, Karlsson M and Nyholm T 2011 CT substitute derived from MRI sequences with ultrashort echo time Med. Phys. 38 2708-14
10. Lagendijk J J W, Raaymakers B W, Van Der Heide U A, Topolnjak R, Dehnad H, Hofman P, Nederveen A J, Schulz I M, Welleweerd J and Bakker C J G 2002 MRI guided radiotherapy: MRI as position verification system for IMRT Radiother. Oncol. 64 S75-6
11. Lips I M, van der Heide U A, Kotte A N, van Vulpen M and Bel A 2009 Effect of translational and rotational errors on complex dose distributions with off-line and on-line position verification Int. J. Radiat. Oncol. Biol. Phys. 74 1600-8
12. Low D A, Harms W B, Mutic S and Purdy J A 1998 A technique for the quantitative evaluation of dose distributions Med. Phys. 25 656-61 (Pubitemid 28234885)
13. Meyer J, Wilbert J, Baier K, Guckenberger M, Richter A, Sauer O and Flentje M 2007 Positioning accuracy of cone-beam computed tomography in combination with a HexaPOD robot treatment table Int. J. Radiat. Oncol. Biol. Phys. 67 1220-8
14. Mohan R, Zhang X, Wang H, Kang Y, Wang X, Liu H, Ang K K, Kuban D and Dong L 2005 Use of deformed intensity distributions for on-line modification of image-guided IMRT to account for interfractional anatomic changes Int. J. Radiat. Oncol. Biol. Phys. 61 1258-66 (Pubitemid 40340922)
15. Raaijmakers A J E, Raaymakers B W and Lagendijk J J W 2005 Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose increase at tissue-air interfaces in a lateral magnetic field due to returning electrons Phys. Med. Biol. 50 1363-76 (Pubitemid 40524530)
16. Raaijmakers A J E, Raaymakers B W, Van der Meer S and Lagendijk J J W 2007 Integrating a MRI scanner with a 6 MV radiotherapy accelerator: impact of the surface orientation on the entrance and exit dose due to the transverse magnetic field Phys. Med. Biol. 52 929-39 (Pubitemid 46646409)
17. Raaymakers B W et al 2009 Integrating a 1.5 T MRI scanner with a 6 MV accelerator: proof of concept Phys. Med. Biol. 54 N229-37
18. Rijkhorst E J, Lakeman A, Nijkamp J, de Bois J, van Herk M, Lebesque J V and Sonke J J 2009 Strategies for online organ motion correction for intensity-modulated radiotherapy of prostate cancer: prostate, rectum, and bladder dose effects Int. J. Radiat. Oncol. Biol. Phys. 75 1254-60
19. van der Heide U A, Kotte A N T J, Dehnad H, Hofman P, Lagenijk J J W and van Vulpen M 2007 Analysis of fiducial marker-based position verification in the external beam radiotherapy of patients with prostate cancer Radiother. Oncol. 82 38-45 (Pubitemid 46097130)