Characterization of tissue magnetic susceptibility-induced distortions for MRIgRT

Medical Physics

Volumn 39, Issue 12, 2012, Pages 7185-7193

  Stanescu, T ^a,c   Wachowicz, K ^b   Jaffray, D A ^a,c  

^a UNIVERSITY OF TORONTO   (Canada)

^b Department of Radiation Oncology ^*  (Canada)

^c UNIVERSITY OF ALBERTA   (Canada)

Author keywords

distortion; MR linac; MRgRT; MRI; MRIgRT; simulation; tissue magnetic susceptibility

Indexed keywords

COMPUTERIZED TOMOGRAPHY; DATA HANDLING; DISTORTION (WAVES); ENCODING (SYMBOLS); GEOMETRY; HOSPITAL DATA PROCESSING; LINEAR ACCELERATORS; MAGNETIC FIELDS; MAGNETIC RESONANCE IMAGING; MAGNETIC SUSCEPTIBILITY; MAGNETS; NUMERICAL MODELS; PHANTOMS; PHASE INTERFACES; SIGNAL ENCODING;

FINITE-DIFFERENCE ALGORITHMS; MAGNETIC FIELD DISTORTION; MAGNETIC FIELD DISTRIBUTION; MR-LINAC; MRGRT; MRIGRT; NUMERICAL SIMULATION ALGORITHMS; SIMULATION;

TISSUE;

EID: 84870920554     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.4764481     Document Type: Article

References (18)

1. B. Fallone, B. Murray, S. Rathee, T. Stanescu, S. Steciw, S. Vidakovic, E. Blosser, and D. Tymofichuk, First MR images obtained during megavoltage photon irradiation from a prototype integrated linac-MR system., Med. Phys. 36 (6), 2084-2088 (2009). 10.1118/1.3125662
2. B. Raaymakers, J. de Boer, C. Knox, S. Crijns, K. Smit, M. Stam, M. Bosch, J. Kok, and J. Lagendijk, Integrated megavoltage portal imaging with a 1.5 T MRI linac., Phys. Med. Biol. 56 (19), N207-N214 (2011). 10.1088/0031-9155/56/19/N01
3. J. Dempsey, A real-time MRI guided external beam radiotherapy system., Med. Phys. 33 (6), 2254 (2006). 10.1118/1.2241803
4. D. Jaffray, M. Carlone, C. Menard, and S. Breen, Image-guided radiation therapy: emergence of MR-guided radiation treatment (MRgRT) systems., Proc. SPIE 7622, 762202 (2010). 10.1117/12.848608
5. J. F. Schenck, The role of magnetic susceptibility in magnetic resonance imaging: MRI magnetic compatibility of the first and second kinds., Med. Phys. 23 (6), 815-850 (1996). 10.1118/1.597854
6. K. Ludeke, P. Roschmann, and R. Tischler, Susceptibility artefacts in NMR imaging., Magn. Reson. Imaging 3, 329-343 (1985). 10.1016/0730-725X(85)90397-2
7. S. Chu, Y. Xu, J. Balschi, and C. Springer, Bulk magnetic susceptibility shifts in nmr studies of compartmentalized samples: Use of paramagnetic reagents., Magn. Reson. Med. 13, 239-262 (1990). 10.1002/mrm.1910130207
8. K. Farahani, U. Sinha, S. Sinha, L. C. Chiu, and R. B. Lufkin, Effect of field strength on susceptibility artifacts in magnetic resonance imaging., Comput. Med. Imaging Graph. 14 (6), 409-413 (1990). 10.1016/0895-6111(90)90040-I
9. T. S. Sumanaweera, G. H. Glover, T. O. Binford, and J. R. Adler, MR susceptibility misregistration correction., IEEE Trans. Med. Imaging 12 (2), 251-259 (1993). 10.1109/42.232253
10. R. Bhagwandien, M. Moerland, C. Bakker, R. Beersma, and J. Lagendijk, Numerical analysis of the magnetic field for arbitrary magnetic susceptibility distributions in 3D., Magn. Reson. Imaging 12, 101-107 (1994). 10.1016/0730-725X(94)92357-4
11. H. Chang and J. Fitzpatrick, A technique for accurate magnetic resonance imaging in the presence of field inhomogeneities., IEEE Trans. Med. Imaging 11, 319-329 (1992). 10.1109/42.158935
12. M. Jenkinson, J. L. Wilson, and P. Jezzard, Perturbation method for magnetic field calculations of nonconductive objects., Magn. Reson. Med. 52 (3), 471-477 (2004). 10.1002/mrm.20194
13. K. Wachowicz, T. Stanescu, S. D. Thomas, and B. G. Fallone, Implications of tissue magnetic susceptibility-related distortion on the rotating magnet in an MR-linac design., Med. Phys. 37 (4), 1714-1721 (2010). 10.1118/1.3355856
14. T. Stanescu, H. S. Jans, K. Wachowicz, and B. G. Fallone, Investigation of a 3D system distortion correction method for MR images., J. Appl. Clin. Med. Phys. 11 (1), 200-216 (2010).
15. T. Stanescu, H. S. Jans, N. Pervez, P. Stavrev, and B. G. Fallone, A study on the magnetic resonance imaging (MRI)-based radiation treatment planning of intracranial lesions., Phys. Med. Biol. 53 (13), 3579-3593 (2008). 10.1088/0031-9155/53/13/013
16. K. Wachowicz, S. D. Thomas, and B. G. Fallone, Characterization of the susceptibility artifact around a prostate brachytherapy seed in MRI., Med. Phys. 33 (12), 4459-4467 (2006). 10.1118/1.2364052
17. C. J. Bakker, M. A. Moerland, R. Bhagwandien, and R. Beersma, Analysis of machine-dependent and object-induced geometric distortion in 2DFT MR imaging., Magn. Reson. Imaging 10 (4), 597-608 (1992). 10.1016/0730-725X(92)90011-N
18. S. P. Crijns, B. W. Raaymakers, and J. J. Lagendijk, Real-time correction of magnetic field inhomogeneity-induced image distortions for MRI-guided conventional and proton radiotherapy., Phys. Med. Biol. 56 (1), 289-297 (2011). 10.1088/0031-9155/56/1/017