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摘要: 近年MRI关节造影已经在国内外开始采用,它对半月板损伤的敏感性和特异性有明显提高,检查结果更接近关节镜[1～3].方法有直接造影法和间接造影法.直接造影法是直接向关节腔内注入对比剂,会给受检者带来较大的痛苦,操作不慎可能会导致针尖对关节内组织的损伤和关节内感染的严重后果.而间接造影法是静脉团注对比剂后对比剂弥散进入关节腔,使关节腔与周围组织的信号强度对比明显增加,同样起到关节造影的效果,并可避免上述直接造影法的缺点.
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