Medical Imaging by Nuclear Magnetic Resonance Zeugmatography

Both tomographic sections and complete three-dimensional images may be generated from nuclear magnetic resonance signals by a wide variety of techniques. In favorable situations, contrast and resolution may be comparable to those obtained by other imaging techniques, although scanning times will in general be longer. The practical problems encountered in the construction and use of head, limb, and whole-body systems are reviewed, progress toward useful whole-body imaging evaluated, and the effects of flow and motion, the sources and control of contrast, and the prospects for diagnostic tissue characterization discussed.

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