Ultrasound Analyses of the Chronological Aging Process of the Dorsal Hands: An Optimal Layer for Volumetric Rejuvenation

File 1
Mendeley Supplemental Figure 1
Supplemental Figure 1A: Youthful appearance of the dorsum of the hand in a 25-year-old female showing supple soft tissues obscuring the subcutaneous structures.
Supplemental Figure 1B: Aged appearance of the dorsum of the hand in a 48-year-old male showing dominant wrinkles, prominent tendons, bulging veins, and volumetric loss in the sunken thenar and hypothenar eminence.
Supplemental Figure 1C: Sonographic examination of the dorsum of the hand in a 25-year-old female.
Supplemental Figure 1D: Sonographic examination of the dorsum of the hand in a 48-year-old male, showing volumetric loss in the three fatty laminae, especially the dorsal intermediate laminae.
File 2
Mendeley Supplemental Table 1. Demographic data

文件1
Mendeley补充图1
补充图1A：25岁女性手背的年轻外观，显示柔韧的软组织覆盖了皮下结构。
补充图1B：48岁男性手背的衰老外观，显示出明显的皱纹、突出的肌腱、突出的静脉，以及掌侧和跖侧隆起体积的减少。
补充图1C：25岁女性手背的超声检查。
补充图1D：48岁男性手背的超声检查，显示出三个脂肪层（尤其是背侧中间层）的体积减少。
文件2
Mendeley补充表1. 人口统计学数据