使用便携式手持式双光子显微镜对病理性痕进行非侵入性成像
Yang Han1,2, Yuxuan Sun3, Feili Yang4
1Graduate School, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China.
Chinese medical journal
|July 31, 2023
概括
便携式二光子显微镜 (TPM) 在体内有效地影像皮肤痕组织. 这种非侵入性方法将病态痕与正常皮肤区分开来,有助于治疗选择和疗效评估.
科学领域:
- 皮肤病学 皮肤病学
- 生物医学成像技术 生物医学成像技术
- 光学显微镜的使用方法
背景情况:
- 病理性痕会导致显著的美容,心理和功能问题.
- 目前的痕评估依赖于外观,缺乏客观的体内方法.
- 双光子显微镜 (TPM) 提供了实时,非侵入性地下成像的潜力.
研究的目的:
- 评估便携式手持TPM在体内对病理性痕进行成像的有效性.
- 评估皮肤上皮细胞和皮肤原结构在痕与正常皮肤.
- 确定TPM在评估痕治疗疗效方面的实用性.
主要方法:
- 使用便携式手持式TPM对15名痕患者和3名健康对照进行了成像.
- 提取了五个定量指数:原深度,DEJ轮比,厚度,方向和职业.
- 分析包括2D和3D成像,将痕组织与正常皮肤进行比较,以及治疗前/后.
主要成果:
- 在表皮形态和原蛋白光谱特征上观察到显著的差异.
- TPM指数可靠地将病态痕与正常皮肤区分开来.
- 在所有五个测量指数中都发现了统计学上显著的差异 (P <0.05),包括原深度,厚度,职业,方向和DEJ轮比率.
结论:
- 便携式手持TPM可以在皮肤组织中区分原蛋白,证明它在痕成像中优于反射共聚焦显微镜.
- 在选择痕治疗方法和评估其有效性方面,TPM是有价值的辅助工具.
相关概念视频
Imaging Biological Samples with Optical Microscopy
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
Overview of Microscopy Techniques
The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
Two-Dimensional Microscopy in Microbiology
Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
Three-Dimensional Microscopy in Microbiology
Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...


