脂纹(fatty streak):是AS的早期病变。肉眼观:于动脉的内膜面,见黄色帽针头大的斑点或长短不一的条纹,宽约1~2mm,长达1~5cm,平坦或微隆起。光镜下:病灶处内皮细胞下有大量泡沫细胞聚集。泡沫细胞圆形,体积较大,胞浆内有大量小空泡(原为脂滴,制片过程中被溶解)。此外,可见较多的基质(蛋白聚糖),数量不等的合成型SMC,少量T淋巴细胞,嗜中性、嗜碱性及嗜酸性粒细胞等。
脂纹是动脉粥样硬化早期的损伤性表现。
Fatty streaks are the earliest lesions seen with atherosclerosis in arteries.
对照动脉管腔面积渐增加,但厚度下降,可见内皮损伤、脂纹和粥样斑块。
In control common carotid arteries, the lumen areas were increased by degree postoperatively, but its wall thickness decreased gradually, and endothelium injury, fatty streak and plaque were seen.
抽脂术也是很流行的美容手术,此外,去除妊娠纹、除皱、去双眼皮甚至是注射肉毒杆菌也很受欢迎。
Fat reduction is another popular surgery, along with stretch marks removal, wrinkle smoothing, double eyelid removal and even botox injections.
应用推荐