Calculating T2 in Images from a phased array receiver

Magnetic Resonance in Medicine

Volumn 61, Issue 4, 2009, Pages 962-969

  Hardy, Peter A ^a,c   Andersen, Anders H ^b,c  

^a UNIVERSITY OF KENTUCKY   (United States)

^b UNIVERSITY OF KENTUCKY   (United States)

^c UNIVERSITY OF KENTUCKY   (United States)

Author keywords

Iron; Maximum likelihood; Noise; Phased array coils

Indexed keywords

BIOMEDICAL SIGNAL PROCESSING; IRON; MAXIMUM LIKELIHOOD; MAXIMUM LIKELIHOOD ESTIMATION; TABLE LOOKUP;

BIASED ESTIMATES; IMAGE INTENSITIES; LOG TRANSFORM; ML ESTIMATION; MULTI-ELEMENT; NOISE; PHASED ARRAY COILS; PHASED ARRAY RECEIVER;

SIGNAL TO NOISE RATIO;

ELEMENT;

ARTICLE; CALCULATION; DIAGNOSTIC ACCURACY; ECHOGRAPHY; ELECTRON SPIN RESONANCE; IMAGE RECONSTRUCTION; MAXIMUM LIKELIHOOD METHOD; NUCLEAR MAGNETIC RESONANCE IMAGING; PHASED ARRAY COIL; RECEIVER OPERATING CHARACTERISTIC; SIGNAL DETECTION; SIGNAL NOISE RATIO; COMPUTER AIDED DESIGN; COMPUTER ASSISTED DIAGNOSIS; EQUIPMENT; EQUIPMENT DESIGN; IMAGE ENHANCEMENT; INSTRUMENTATION; MAGNETISM; METHODOLOGY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY; TRANSDUCER;

COMPUTER-AIDED DESIGN; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; IMAGE ENHANCEMENT; IMAGE INTERPRETATION, COMPUTER-ASSISTED; MAGNETIC RESONANCE IMAGING; MAGNETICS; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TRANSDUCERS;

EID: 66249123898     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.21904     Document Type: Article

References (38)

1. Nield LE, Qi XL, Valsangiacomo ER, Macgowan CK, Wright GA, Hornberger LK, Yoo SJ. In vivo MRI measurement of blood oxygen saturation in children with congenital heart disease. Pediatr Radiol 2005;35:179-185.
2. Stainsby JA, Wright GA. Monitoring blood oxygen state in muscle microcirculation with transverse relaxation. Magn Reson Med 2001;45: 662-672.
3. Wright KB, Klocke FJ, Deshpande VS, Zheng J. Harris KR, Tang R. Finn JP, Li D. Assessment of regional differences in myocardial blood flow using T2-weighted 3D BOLD imaging. Magn Reson Med 2001;46:573-578.
4. Carneiro AAO, Fernandes JP, de Araujo DB, Elias Jr. J. Martinelli ALC, Covas DT, Zago MA, Angulo IL, St. Pierre TG, Baffa O. Liver iron concentration evaluated by two magnetic methods: magnetic resonance imaging and magnetic susceptometry. Magn Reson Med 2005;54:122-128.
5. Gelman N. Gorell JM, Barker PB, Savage RM, Spickler EM, Windham JP, Knight RA. MR imaging of human brain at 3.0 T: preliminary report on transverse relaxation rates and relation to estimated iron content. Radiology 1999;210:759-767.
6. Hardy PA, Gash DM, Yokel RA, Andersen A. Ai Y. Zhang Z. Correlation of R2 with total iron concentration in the brains of rhesus monkeys. J Magn Reson Imaging 2005;21:118-127.
7. Cass WA, Grondin R. Andersen AH, Zhang Z. Hardy PA, Hussey-Andersen LK, Rayens WS, Gerhardt GA, Gash DM. Iron accumulation in the striatum predicts aging-related decline in motor function in rhesus monkeys. Neurobiol Aging 2007;28:258-271.
8. Whittall KP, MacKay AL, Graeb DA, Nugent RA, Li DK, Paty DW. In vivo measurement of T2 distributions and water contents in normal human brain. Magn Reson Med 1997;37:34-43.
9. Laule C. Vavasour IM, Moore GR, Oger J. Li DK, Paty DW, MacKay AL. Water content and myelin water fraction in multiple sclerosis. A T2 relaxation study. J Neurol 2004;251:284-293.
10. Vidarsson L. Conolly SM, Lim KO, Gold GE, Pauly JM. Echo time optimization for linear combination myelin imaging. Magn Reson Med 2005;53:398-407.
11. Oh J. Han ET, Pelletier D. Nelson SJ. Measurement of in vivo multicomponent T2 relaxation times for brain tissue using multi-slice T2 prep at 1.5 and 3 T. Magn Reson Imaging 2006;24:33-43.
12. * mapping for sensing cell-bound superparamagnetic nanoparticles: in vitro and murine in vivo testing. Radiology 2007;245:449-457.
13. Andersen AH, Kirsch JE, Chen Q. Avison MJ. Data analysis for multiecho acquisition in fMRI. In: Proceedings of the 2nd Annual Meeting of ISMRM, San Francisco, CA, USA, 1994 (Abstract 639).
14. * by multiple gradient recalled echo functional MRI. Magn Reson Imaging 1996;14:469-476.
15. Posse S. Wiese S. Gembris D. Mathiak K. Kessler C. Grosse-Ruyken M-L, Elghahwagi B. Richards T. Dager SR, Kiselev VG. Enhancement of BOLD-contrast sensitivity by single-shot multi-echo functional MR imaging. Magn Reson Med 1999;42:87-97.
16. de Zwart JA, Ledden PJ, Kellman P, van Gelderen P. Duyn JH. Design of a SENSE-optimized high-sensitivity MRI receive coil for brain imaging. Magn Reson Med 2002;47:1218-1227.
17. de Zwart JA, Ledden PJ, van Gelderen P. Bodurka J. Chu R. Duyn JH. Signal-to-noise ratio and parallel imaging performance of a 16-channel receive-only brain coil array at 3.0 Tesla. Magn Reson Med 2004;51: 22-26.
18. Wiggins GC, Potthast A. Triantafyllou C. Lin F. Benner T. Wiggins CJ, Wald LL. A 96-channel MRI system with 23-and 90-channel phase array head coils at 1.5 Tesla. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005 (Abstract 671).
19. Blaimer M. Breuer F. Mueller M. Heidemann RM, Griswold MA, Jakob PM. SMASH, SENSE, PILS, GRAPPA: how to choose the optimal method. Top Magn Reson Imaging 2004;15:223-236.
20. Wright SM, Wald LL. Theory and application of array coils in MR spectroscopy. NMR Biomed 1997;10:394-410.
21. Roemer PB, Edelstein WA, Hayes CE, Souza SP, Mueller OM. The NMR phased array. Magn Reson Med 1990;16:192-225.
22. Henkelman RM. Measurement of signal intensities in the presence of noise in MR images. Med Phys 1984;12:232-233.
23. Gudbjartsson H. Patz S. The Rician distribution of noisy MRI data. Magn Reson Med 1995;34:910-914.
24. Andersen AH, Kirsch JE. Analysis of noise in phase contrast MR imaging. Med Phys 1996;23:857-869.
25. Constantinides CD, Atalar E. McVeigh ER. Signal-to-noise measurements in magnitude images from NMR phased arrays. Magn Reson Med 1997;38:852-857.
26. Spiegel MR. Mathematical handbook of formulas and tables. New York: Schaum's Outline Series; 1968.
27. Zhang S. Jin J. Computation of special functions. Shan-chieh, editor. New York: John Wiley and Sons; 1996. 717 p.
28. Bonny JM, Zanca M. Boire JY, Veyre A. T2 maximum likelihood estimation from multiple spin-echo magnitude images. Magn Reson Med 1996;36:287-293.
29. Karlsen OT, Verhagen R. Bovee MMJ. Parameter estimation from Rician-distributed data sets using a maximum likelihood estimator: application to T1 and perfusion measurements. Magn Reson Med 1999; 41:614-623.
30. McFall JR, Riederer SJ, Wang HZ. An analysis of noise propagation in computed T2, pseudodensity, and synthetic spin-echo images. Med Phys 1986;13:285-292.
31. Hardy P. Yue, G. Measurement of magnetic resonance T2 for physiological experimentation. J Appl Physiol 1997;83:904-911.
32. IDL. Version 6.4. Boulder, CO: ITT Visual Information Solutions, Inc.
33. McGibney G. Smith MR. An unbiased signal-to-noise ratio measure for magnetic resonance images. Med Phys 1993;20:1077-1078.
34. Andersen A. Kirsch JE, Avison MJ. Detection and Bayes estimation in phase contrast MR imaging at low SNR. In: Proceedings of the 4th Annual Meeting of ISMRM, New York, NY, USA, 1996 (Abstract 1270).
35. Sijbers J, den Dekker AJ. Maximum likelihood estimation of signal amplitude and noise variance from MR data. Magn Reson Med 2004; 51:586-594.
36. Van Trees HL. Detection, estimation, and modulation theory, Part I. New York: John Wiley and Sons; 1968.
37. Pruessmann KP, Weiger M. Scheidegger MB, Boesiger P. SENSE: sensitivity encoding for fast MRI. Magn Reson Med 1999;49:952-962.
38. Silva AC, Lee JH, Aoki I. Koretsky AP. Manganese-enhanced magnetic resonance imaging (MEMRI): methodological and practical considerations. NMR Biomed 2004;17:532-543.