Real-time prostate trajectory estimation with a single imager in arc radiotherapy: A simulation study

Physics in Medicine and Biology

Volumn 54, Issue 13, 2009, Pages 4019-4035

  Poulsen, Per Rugaard ^a,b   Cho, Byungchul ^a   Keall, Paul J ^a  

^a STANFORD UNIVERSITY   (United States)

^b AARHUS UNIVERSITY   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROMAGNETIC TRANSPONDERS; ESTIMATION ERRORS; GAUSSIAN PROBABILITY DENSITY FUNCTIONS; IMAGE-GUIDED; MEAN VALUES; POSITION ESTIMATION; PRE-TREATMENT; PROSTATE POSITION; REAL TIME; RMS ERRORS; ROOT MEAN SQUARES; SIMULATION STUDIES; STANDARD EQUIPMENTS; THREE-DIMENSIONAL (3D); TRAJECTORY ESTIMATION; TREATMENT DURATION; X-RAY IMAGERS;

CAVITY RESONATORS; ESTIMATION; FREQUENCY ESTIMATION; IMAGE SENSORS; INSTRUMENT SCALES; LINEAR ACCELERATORS; MAXIMUM LIKELIHOOD ESTIMATION; PHOTODEGRADATION; PROBABILITY DENSITY FUNCTION; PROBABILITY DISTRIBUTIONS; RADIOTHERAPY; ROTATION; TRACKING (POSITION); X RAY ANALYSIS;

THREE DIMENSIONAL;

ACCURACY; ARTICLE; CANCER RADIOTHERAPY; CLINICAL ARTICLE; CONTROLLED STUDY; DENSITY FUNCTIONAL THEORY; ELECTROMAGNETIC FIELD; HUMAN; IMAGE QUALITY; IMAGING SYSTEM; INTENSITY MODULATED RADIATION THERAPY; LINEAR ACCELERATOR; MALE; MEASUREMENT ERROR; NORMAL DISTRIBUTION; PRIORITY JOURNAL; PROSTATE; SIMULATION; THREE DIMENSIONAL IMAGING; ALGORITHM; BIOLOGICAL MODEL; COMPUTER ASSISTED DIAGNOSIS; COMPUTER ASSISTED RADIOTHERAPY; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER SIMULATION; COMPUTER SYSTEM; EVALUATION; METHODOLOGY; PROSTATE TUMOR; RADIOGRAPHY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY;

ALGORITHMS; COMPUTER SIMULATION; COMPUTER SYSTEMS; HUMANS; IMAGING, THREE-DIMENSIONAL; MALE; MODELS, BIOLOGICAL; PROSTATIC NEOPLASMS; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; RADIOTHERAPY, COMPUTER-ASSISTED; RADIOTHERAPY, CONFORMAL; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 70249100691     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/54/13/005     Document Type: Article

References (19)

1. Adamson J and Wu Q 2008 Prostate intrafraction motion evaluation using kV fluoroscopy during treatment delivery: a feasibility and accuracy study Med. Phys. 35 1793-806
2. Berbeco R I, Jiang S B, Sharp G C, Chen G T Y, Mostafavai H and Shirato H 2004 Integrated radiotherapy imaging system (IRIS): design considerations of tumor tracking with linac gantry-mounted diagnostic x-ray systems with flat-panel detectors Phys. Med. Biol. 49 243-55
3. Cho B, Poulsen P, Sloutsky A, Sawant A and Keall P J 2009 First demonstration of combined kV/MV image-guided real-time DMLC target tracking Int. J. Radiat. Oncol. Biol. Phys. 74 859-67
4. Hossain S, Xia P, Chuang C, Verhey L, Gottschalk A R, Mu G and Ma L 2008 Simulated real time image guided intrafraction tracking-delivery for hypofractionated prostate IMRT Med. Phys. 35 4041-8
5. King C R, Brooks J D, Gill H, Pawlicki T, Cotrutz C and Presti J C 2009 Stereotactic body radiotherapy for localized prostate cancer: interim results of a prospective phase II clinical trial Int. J. Radiat. Oncol. Biol. Phys. 73 1043-8
6. Kitamura K, Shirato H, Seppenwoolde Y, Onimaru R, Oda M, Fujita K, Shimizu S, Shinohara N, Harabayashi T and Miyasaka K 2002 Three-dimensional intrafractional movement of prostate measured during real-time tumor-tracking radiotherapy in supine and prone treatment positions Int. J. Radiat. Oncol. Biol. Phys. 53 1117-23
7. Kupelian P et al 2007 Multi-institutional clinical experience with the Calypso system in localization and continuous, real-time monitoring of the prostate gland during external radiotherapy Int. J. Radiat. Oncol. Biol. Phys. 67 1088-98
8. Langen K M, Willoughby T R, Meeks S L, Santhanam A, Cunningham A, Levine L and Kupelian P A 2008 Observations on real-time prostate gland motion using electromagnetic tracking Int. J. Radiat. Oncol. Biol. Phys. 71 1084-90
9. Madsen B L, Hsi R A, Pham H T, Fowler J F, Esagui L and Corman J 2007 Stereotactic hypofractionated accurate radiotherapy of the prostate (SHARP), 33.5 Gy in five fractions for localized disease: first clinical trial results Int. J. Radiat. Oncol. Biol. Phys. 67 1099-105
10. Mao W, Riaz N, Lee L, Wiersma R and Xing L 2008 A fiducial detection algorithm for real-time image guided IMRT based on simultaneous MV and kV imaging Med. Phys. 35 3554-64
11. Murphy M J 2004 Tracking moving organs in real time Semin. Radiat. Oncol. 14 91-100
12. Noel C, Parikh P J, Roy M, Kupelian P, Mahadevan A, Weinstein G, Enke C, Flores N, Beyer D and Levine L 2009 Prediction of intrafraction prostate motion: accuracy of pre- and post-treatment imaging and intermittent imaging Int. J. Radiat. Oncol. Biol. Phys. 73 692-8
13. Otto K 2008 Volumetric modulated arc therapy: IMRT in a single arc Med. Phys. 35 310-7
14. Papiez L and Langer M 2006 On probabilistically defined margins in radiation therapy Phys. Med. Biol. 51 3921-39
15. Poulsen P R, Cho B, Langen K, Kupelian P and Keall P J 2008a Three-dimensional prostate position estimation with a single x-ray imager utilizing the spatial probability density Phys. Med. Biol. 53 4331-53
16. Poulsen P R, Cho B and Keall P 2008b A method to estimate mean position, motion magnitude, motion correlation, and trajectory of a tumor from cone-beam CT projections for image-guided radiotherapy Int. J. Radiat. Oncol. Biol. Phys. 72 1587-96
17. Ritter M 2008 Rationale, conduct, and outcome using hypofractionated radiotherapy in prostate cancer Semin. Radiat. Oncol. 18 249-56
18. Wang C, Shuang L, Tang G, Chen D Z, Earl M A and Yu C X 2008 Arc-modulated radiation therapy (AMRT): a single-arc form of intensity-modulated therapy Phys. Med. Biol. 53 6291-303
19. Wiersma R, Mao W and Xing L 2008 Combined kV and MV imaging for real-time tracking of implanted fiducial markers Med. Phys. 35 1191-8