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新型剥脱性Er:YSGG点阵激光治疗的体外皮肤组织学特征

王宏伟 黄文慧 赵永亮

王宏伟, 黄文慧, 赵永亮. 新型剥脱性Er:YSGG点阵激光治疗的体外皮肤组织学特征[J]. 协和医学杂志, 2012, 3(4): 390-394. doi: 10.3969/j.issn.1674-9081.2012.04.006
引用本文: 王宏伟, 黄文慧, 赵永亮. 新型剥脱性Er:YSGG点阵激光治疗的体外皮肤组织学特征[J]. 协和医学杂志, 2012, 3(4): 390-394. doi: 10.3969/j.issn.1674-9081.2012.04.006
Hong-wei WANG, Wen-hui HUANG, Yong-liang ZHAO. Histological Evaluation of Skin In Vitro Treated by Noval Er: YSGG Ablative Fractional Laser[J]. Medical Journal of Peking Union Medical College Hospital, 2012, 3(4): 390-394. doi: 10.3969/j.issn.1674-9081.2012.04.006
Citation: Hong-wei WANG, Wen-hui HUANG, Yong-liang ZHAO. Histological Evaluation of Skin In Vitro Treated by Noval Er: YSGG Ablative Fractional Laser[J]. Medical Journal of Peking Union Medical College Hospital, 2012, 3(4): 390-394. doi: 10.3969/j.issn.1674-9081.2012.04.006

新型剥脱性Er:YSGG点阵激光治疗的体外皮肤组织学特征

doi: 10.3969/j.issn.1674-9081.2012.04.006
详细信息
    通讯作者:

    王宏伟 电话:010-69151535, E-mail:18910733256@189.cn

  • 中图分类号: R751.05

Histological Evaluation of Skin In Vitro Treated by Noval Er: YSGG Ablative Fractional Laser

More Information
  • 摘要:   目的  评估新型剥脱性饵:钇钪镓石榴石(erbium-doped yttrium scandium gallium garnet, Er:YSGG)2790 nm激光治疗不同深度的表皮和真皮组织获得的剥脱效果。  方法  收集手术切除的16例新鲜离体人体皮肤标本, 包括面部、颈部、胸部、上肢屈侧部位各4例, 采用Er:YSGG 2790 nm激光照射聚焦于300 μm直径光斑大小, 能量为每光斑60~160 mJ, 扫描面积10 mm × 10 mm, 在离体皮肤上形成微阵列模式。通过HE染色观察损伤的深度和宽度, 评估不同的脉冲能量对不同皮肤组织的治疗效果。  结果  Er:YSGG 2790 nm激光可在离体人体皮肤上形成剥脱性热损伤微阵列, 用不同能量可选择性到达皮肤的不同深度(99~456 μm), 包括表皮、真皮浅层、中层和深层, 腔隙间距为294~405 μm, 腔隙焦化内壁厚度为22~77 μm。  结论  新型剥脱性Er:YSGG 2790 nm激光以点阵方式操作, 可在人体不同组织中产生热反应。使用不同的脉冲能量治疗, 可以在表皮和真皮层形成不同深度的微阵列模式。
  • 图  1  60 mJ Er: YSGG点阵激光作用于面部皮肤的组织病理,可见皮肤损伤深度为101 μm、腔隙间距为353 μm及焦化内壁厚度为35 μm,此时破损烧灼面位于表皮层(HE,× 20)

    图  2  120 mJ Er: YSGG点阵激光作用于上肢屈侧皮肤的组织病理,可见皮肤损伤深度为353 μm、腔隙间距为311 μm及焦化内壁厚度为56 μm,此时破损烧灼面位于真皮中层(HE,× 20)

    表  1  不同Er: YSGG激光能量作用于不同部位皮肤的深度(μm)

    能量(mJ) 面部60 颈部 胸部 上肢屈侧
    60 99 ~ 105 120 ~ 125 118 ~ 124 180 ~ 190
    80 287 ~ 299 149 ~ 154 205 ~ 209 230 ~ 235
    120 345 ~ 354 182 ~ 190 235 ~ 245 317 ~353
    160 450~456 260~270 269~276 385~391
    下载: 导出CSV

    表  2  不同Er: YSGG激光能量作用于不同部位皮肤的腔隙间距(μm)

    能量(mJ) 面部60 颈部 胸部 上肢屈侧
    60 353 ~ 360 344 ~ 374 321~ 356 294 ~ 372
    80 359 ~ 387 335~ 398 344 ~ 368 389 ~ 401
    120 372 ~ 398 365~ 378 357 ~ 398 311 ~369
    160 380~405 389~404 381~398 386~391
    下载: 导出CSV

    表  3  不同Er: YSGG激光能量作用于不同部位皮肤的焦化内壁厚度(μm)

    能量(mJ) 面部60 颈部 胸部 上肢屈侧
    60 22 ~ 45 35 ~ 37 26~ 29 37 ~ 41
    80 55 ~ 58 31~ 37 33 ~ 36 57 ~ 60
    120 70 ~ 72 42~ 44 40 ~ 45 56 ~63
    160 71~77 70~72 52~57 70~74
    下载: 导出CSV

    表  4  不同Er: YSGG激光脉冲能量对皮肤组织的平均损伤深度

    能量(mJ) 面部60 颈部 胸部 上肢屈侧
    60 表皮 表皮 表皮 表皮
    80 真皮浅层 真皮浅层 表皮或真皮浅层 表皮或真皮浅层
    120 真皮中层 真皮中层 真皮中层 真皮中层
    160 真皮深层 真皮深层 真皮中层 真皮中层
    下载: 导出CSV
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出版历程
  • 收稿日期:  2012-07-25
  • 刊出日期:  2012-10-30

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