Lag and ghosting in a clinical flat-panel selenium digital mammography system

Medical Physics

Volumn 33, Issue 8, 2006, Pages 2998-3005

  Bloomquist, Aili K ^a   Yaffe, Martin J ^a   Mawdsley, Gordon E ^a   Hunter, David M ^a   Beideck, Daniel J ^b  

^a SUNNYBROOK RESEARCH INSTITUTE   (Canada)

^b UNIVERSITY OF VERMONT   (United States)

Author keywords

Digital mammography; Ghosting; Lag; Selenium

Indexed keywords

SELENIUM;

DETECTOR STRUCTURE; DIGITAL MAMMOGRAPHY; DIGITAL MAMMOGRAPHY SYSTEM; EXPOSURE HISTORY; FULL FIELD DIGITAL MAMMOGRAPHY; GHOSTING; GHOSTING EFFECTS; SELENIUM DETECTORS;

MAMMOGRAPHY;

MOLYBDENUM; POLY(METHYL METHACRYLATE); RHODIUM; SELENIUM;

ARTICLE; COLLIMATOR; COMPUTER PROGRAM; ELECTRIC FIELD; MAMMOGRAPHY; PHANTOM; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; RADIATION ABSORPTION; RADIATION DETECTOR;

EID: 33746617894     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2218315     Document Type: Article

References (16)

1. W. Zao and J. A. Rowlands, "X-ray imaging using amorphous selenium," Med. Phys. 22, 1595-1604 (1995).
2. W. Zao and J. A. Rowlands, "Digital radiology using active matrix read-out of amorphous selenium: Theoretical analysis of detective quantum efficiency," Med. Phys. 24, 1819-1833 (1997).
3. B. Zhao and W. Zhao, "Temporal performance of amorphous selenium mammography detectors," Med. Phys. 32(1), 128-136 (2005).
4. S. Steciw, T. Stanescu, S. Rathee, and B. G. Fallone, "Sensitivity reduction in biased amorphous selenium photoconductors," J. Phys. D 35, 2716-2722 (2002).
5. W. Zhao, G. DeCrescenzo, and J. A. Rowlands, "Investigation of lag and ghosting in amorphous selenium flat-panel x-ray detectors," Proc. SPIE 4682, 9-20 (2002).
6. C. Schroeder, T. Stanescu, S. Rathee, and B. G. Fallone, "Lag measurement in an a-Se active matrix flat-panel imager," Med. Phys. 31(5), 1203-1209 (2005).
7. U. Schiebel, T. Buchkremer, G. Frings, and P. Quadflieg, "Deep trapping and recombination in a-Se:As x-ray sensitive photoreceptors," J. Non-Cryst. Solids 115, 216-218 (1989).
8. R. A. Jong, M. J. Yaffe, M. Skarpathiotakis, R. S. Shumak, N. M. Danjoux, A. Gunesekara, and D. B. Plewes, "Contrast-enhanced digital mammography: Initial clinical experience," Radiology 228(3), 842-850 (2003).
9. J. M. Lewin, P. K. Isaacs, V. Vance, and F. J. Larke, "Dual-energy contrast-enhanced digital subtraction mammography: Feasibility," Radiology 229(1), 261-268 (2003).
10. L. T. Niklason et al., "Digital tomosynthesis in breast imaging," Radiology 205, 399-406 (1997).
11. D. L. Lee, L. K. Cheung, and L. Jeromin, "A new digital detector for projection radiography," Proc. SPIE 2432, 237-249 (1995).
12. O. Tousignant et al., "Progress report on the performance of realtime selenium flat panel detectors for direct x-ray imaging," Proc. SPIE 4682, 503-510 (2002).
13. D. L. Y. Lee et al., "Direct-conversion x-ray imaging detectors for medical nondestructive testing (NDT) and other applications," Proc. SPIE 4508, 1-14 (2001).
14. E. D. Pisano et al., "The American College of Radiology Imaging Network Digital Mammographic Imaging Screening Trial: Objectives and methodology," Radiology 236(2), 404-412 (2005).
15. J. Siewerdsen and D. A. Jaffray, "A ghost story: Spatio-temporal response characteristics of an amorphous silicon flat-panel imager," Med. Phys. 26(8), 1624-1641 (1999).
16. B. Zhao and W. Zhao, "Characterization of a direct, full-field flat-panel digital mammography detector," Proc. SPIE 5030, 157-167 (2003).