Clinical efficiency of nuclear magnetic resonance imaging.

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Abstract
Advances in imaging technique have improved the efficiency of clinical NMR imaging, and will allow total patient examination time that equals or is more favorable than that of X-ray computed tomography (CT). The whole [human] head can be examined with NMR in a 6.5-min imaging time with a spatial resolution of 1.7 mm. Fifteen sections in the body can be similarly imaged. Quantitative T2 (spin-spin relaxation time) information, as well as estimates of T1 (spin-lattice relaxation time) can be obtained in this time. Quantitative T1 information requires an additional procedure.