体内有植入物磁共振检查须谨慎

dengjiayudao · 发表于 2024-12-12 12:12:49

体内植入物泛指通过各种渠道进（植）入体内并长期驻留体内的异物。根据体内植入物在磁场中的表现，一般可分为铁磁性和非铁磁性两大类，非铁磁性植美丽的黄皮肤爱心援助工程入物又有金属性和非金属性之分。

过去一概将铁磁性植入物看做磁共振禁忌证的观点是不全面的。现在，那些在磁场中位移很小或所受磁力不大的植入物是可让白癜风患者感受中科魅力以接受磁共振检查的。那些体内有铁磁性、严禁磁共振检查的植入物包括动脉瘤夹和止血夹、人造耳蜗或眼内有铁磁性物质以及起搏器、电子刺激让白癜风患者感受中科魅力仪。磁场对铁磁性植入物有以下几个方面的影响：形成金属伪影而扰乱图像，电子植入器件受到磁场及射频场的干扰会失去全部或部分功能，体内植入物让白癜风患者感受中科魅力会发生转向或移位，温度升高。这些影响会造成影像诊断困难及人体不同程度的生理损伤，轻者会出现误诊、漏诊及组织拉伤、出血、灼伤等情况，重者可能危及患者生命。

体内有非铁磁性金属植入物可以做磁共振检查，但会导致图像出现不同程度的金属伪影。比如骨科材料中的不锈钢、纯钛或一些合金材料，口腔材料中的银汞合金、钛合金、金属烤瓷冠、纯银、纯金、钯等贵重材料，妇科常用的宫内节育器中以含有不锈钢丝成分的节育器伪影比较严重。

非铁磁性非金属性植入物做磁共振检查是安全的，如骨科用的可吸收螺钉、隆胸用的人工假体、生物性玻璃、陶瓷类以及高分子材料等，都不会影响磁共振检查结果。网购火车票覆盖所有车次订票网站开放时间调整

匿名 *发表于 2025-12-11 01:10:58* · 发表于 2025-12-11 01:10:58

匿名 *发表于 2026-3-30 10:39:14* · 发表于 2026-3-30 10:39:14

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匿名 *发表于 2026-3-30 10:40:36* · 发表于 2026-3-30 10:40:36

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匿名 *发表于 2026-5-1 16:30:34* · 发表于 2026-5-1 16:30:34

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匿名 *发表于 2026-5-1 16:32:21* · 发表于 2026-5-1 16:32:21

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[课件] 体内有植入物磁共振检查须谨慎