PRS:磁共振成像监测透明质酸填充剂的寿命和定位,6年前注射的透明质酸居然还在?

2021-04-22 MedSci原创 MedSci原创

透明质酸是美容医学中最常用的面部皮肤填充物,天然存在于真皮细胞外基质中,具有维持皮肤结构和功能的功能,作为中期填料,使用期限为3 ~ 12个月。透明质酸填充剂的放置、寿命和定位的鉴定正变得越来越重要。

透明质酸是美容医学中最常用的面部皮肤填充物,天然存在于真皮细胞外基质中,具有维持皮肤结构和功能的功能,作为中期填料,使用期限为3 ~ 12个月。透明质酸填充剂的放置、寿命和定位的鉴定正变得越来越重要。 透明质酸的信号类似于液体信号,但可以与其他产品、水肿或液体聚集区分开。 本研究探讨磁共振成像在正确识别解剖位置、分布、寿命和并发症方面的可行性,为进一步的治疗提供参考,提出了一种实用的方法来监测透明质酸的位置和寿命。 图1。轴向T1加权序列3-T磁共振成像扫描。箭头表示浅表肌肉腱膜系统。 图2。矢状T2加权脂肪饱和3-T磁共振成像扫描。箭头表示覆盖口轮匝肌的透明质酸信号。 图3。冠状T2加权脂肪饱和3-T磁共振成像扫描。箭头表示鼻唇沟脂肪垫内的透明质酸信号。 图4。轴向T2加权脂肪饱和3-T磁共振成像扫描。箭头表示覆盖上颌窦侧壁的透明质酸信号。 建议的磁共振成像面部方案如下: 矢状T2加权脂肪饱和度3毫米. 矢状面T1加权3毫米 轴向T2加权脂肪饱和度2毫米。 轴向T1加权2毫米。 轴向扩散加权成像b1000 4 mm。 冠状T2加权脂肪饱和面3.7毫米。 矢状T1加权脂肪饱和三维体积(

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    2021-10-18 kzlchina
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    2021-07-01 ms1000001566481500

    技术真高

    0

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