PT  - JOURNAL ARTICLE
AU  - Mukherjee, P.
AU  - Chung, S.W.
AU  - Berman, J.I.
AU  - Hess, C.P.
AU  - Henry, R.G.
TI  - Diffusion Tensor MR Imaging and Fiber Tractography: Technical Considerations
AID  - 10.3174/ajnr.A1052
DP  - 2008 May 01
TA  - American Journal of Neuroradiology
PG  - 843--852
VI  - 29
IP  - 5
4099  - http://www.ajnr.org/content/29/5/843.short
4100  - http://www.ajnr.org/content/29/5/843.full
SO  - Am. J. Neuroradiol.2008 May 01; 29
AB  - SUMMARY:This second article of the 2-part review builds on the theoretic background provided by the first article to cover the major technical factors that affect image quality in diffusion imaging, including the acquisition sequence, magnet field strength, gradient amplitude, and slew rate as well as multichannel radio-frequency coils and parallel imaging. The sources of many common diffusion image artifacts are also explored in detail. The emphasis is on optimizing these technical factors for state-of-the-art diffusion-weighted imaging and diffusion tensor imaging (DTI) based on the best available evidence in the literature. An overview of current methods for quantitative analysis of DTI data and fiber tractography in clinical research is also provided.