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A surface coil is used as a receiver in a crossed-coil arrangement with a conventional circumferential transmitter coil in a magnetic resonance imaging system. The improved signal-to-noise ratio for objects close to the coil, compared with a conventional circumferential saddle-shaped receiver coil, permits higher resolution imaging of relatively superficial structures such as the orbit, neck, chest wall, and lumbar spine.
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Leon Axel (1984) studied this question.
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