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Multisection-multiecho MR imaging: effect on image quality.

作者信息

Fitzsimmons J R, Googe R E

出版信息

Radiology. 1985 Dec;157(3):813-4. doi: 10.1148/radiology.157.3.4059565.

DOI:10.1148/radiology.157.3.4059565
PMID:4059565
Abstract

An analysis of the effects of multisection-multiecho imaging on signal intensity is presented using a gaussian excitation pulse. The number of sections acquired, size of the intersection gap, and the number of echoes were all varied independently to evaluate their effect on image intensity. The results indicate that one should take a conservative approach in multisection-multiecho imaging, leaving at least a 2-mm-intersection gap and approximately a 20-msec delay between section excitations to avoid image signal loss owing to partial saturation effects.

摘要

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