Dosimetric impact of a CT metal artefact suppression algorithm for proton, electron and photon therapies

Physics in Medicine and Biology

Volumn 51, Issue 20, 2006, Pages 5183-5197

  Wei, Jikun ^a   Sandison, George A ^a   Hsi, Wen Chien ^b   Ringor, Michael ^c   Lu, Xiaoyi ^d  

^a PURDUE UNIVERSITY   (United States)

^b Midwest Proton Radiotherapy Institute   (United States)

^c Faith Hope and Love Cancer Center   (United States)

^d INDIANA UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARRIER CONCENTRATION; COMPUTERIZED TOMOGRAPHY; DOSIMETRY; HIP PROSTHESES; MEDICAL IMAGING;

DOSE CALCULATION; PROTON THERAPY; RADIATION DOSE DISTRIBUTION; TREATMENT PLANNING;

RADIOTHERAPY;

CHROMIUM; COBALT; METAL; MOLYBDENUM; WATER;

ACCURACY; ALGORITHM; ARTICLE; ARTIFACT REDUCTION; CASE REPORT; CASE STUDY; COMPUTER ASSISTED TOMOGRAPHY; DEVICE; DOSIMETRY; ELECTRON THERAPY; HIP PROSTHESIS; HISTOGRAM; HUMAN; IMAGE PROCESSING; PHANTOM; PHOTON THERAPY; PRIORITY JOURNAL; PROTON THERAPY; RADIATION DOSE DISTRIBUTION; TREATMENT PLANNING; X RAY;

EID: 33749610188     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/51/20/007     Document Type: Article

References (15)

1. Constantinou C, Harrington J C and DeWerd L A 1992 An electron density calibration phantom for CT-based treatment planning computers Med. Phys. 19 325-7
2. Coolens C and Childs P J 2003 Calibration of CT Hounsfield units for radiotherapy treatment planning of patients with metallic hip prostheses: the use of the extended CT-scale Phys. Med. Biol. 48 1591-603
3. Ding G X and Yu W 2001 A study on beams passing through hip prosthesis for pelvic radiation treatment Int. J. Radiat. Oncol. Biol. Phys. 51 1167-75
4. Goitein M 1978 A technique for calculating the influence of thin inhomogeneities on charged particle beams Med. Phys. 5 258-64
5. Guan H, Yin F-F and Kim J H 2002 Accuracy of inhomogeneity correction in photon radiotherapy from CT scans with different settings Phys. Med. Biol. 47 N223-31
6. Henson P W and Fox R A 1994 The electron density of bone for inhomogeneity correction in radiotherapy planning using CT numbers Phys. Med. Biol. 29 351-9
7. Mustafa A A and Jackson D F 1983 The relation between x-ray CT numbers and charged particle stopping powers and its significance for radiotherapy treatment planning Phys. Med. Biol. 28 169-76
8. Parker R P, Hobday P A and Cassell K J 1979 The direct use of CT numbers in radiotherapy dosage calculations for inhomogeneous media Phys. Med. Biol. 24 802-9
9. Perry D J and Holt J G 1980 A model for calculating the effects of small inhomogeneities on electron beam dose distributions Med. Phys. 7 207-15
10. Roberts R 2001 How accurate is a CT-based dose calculation on a pencil beam TPS for a patient with a metallic prosthesis? Phys. Med. Biol. 46 N227-34
11. Schneider U, Pedron E and Lomax A 1996 The calibration of CT Hounsfield units for radiotherapy treatment planning Phys. Med. Biol. 41 111-24
12. Szymanowski H and Oelfke U 2003 CT calibration for two-dimensional scaling of proton pencil beams Phys. Med. Biol. 48 861-74
13. Thomadsen B R, Paliwal B R, Laursen J F, Filamor C O and van de Geijn P 1983 Some phantom designs for radiation dosimetry and CT applications Med. Phys. 10 886-8
14. Wei J, Chen L, Sandison G A, Liang Y and Xu L X 2004 X-ray CT high-density artifact suppression in the presence of bones Phys. Med. Biol. 49 5407-18
15. Wieslander E and Knoos T 2003 Dose perturbation in the presence of metallic implants: treatment planning system versus Monte Carlo simulations Phys. Med. Biol. 48 3295-305