光显微镜:麻风病诊断中的有用和辅助工具:一个横截面研究
Swati Soni1, Vaishali Walke2, Dinesh Asati3
1Peoples College of Medical Sciences and Research Centre, Bhopal (MP), India.
Iranian journal of pathology
|March 10, 2025
概括
光显微镜 (FM) 在汉森病活检中检测到更多的Mycobacterium leprae,而不是Fite-Faraco (FF) 染色. FM是一种有价值的辅助,特别是在疑似多种细菌病例中.
科学领域:
- 医学微生物学 医学微生物学
- 组织病理学 组织病理学
- 传染性疾病 传染性疾病
背景情况:
- 麻风病是由Mycobacterium leprae引起的,是一种慢性传染病.
- 菲特-法拉科 (FF) 染色是检测M. leprae在组织中的标准方法.
- 光显微镜 (FM) 提供了改善细菌可视化的潜力.
研究的目的:
- 为了比较光显微镜 (FM) 和Fite-Faraco (FF) 染色的疗效.
- 使用这两种方法,评估组织部分中Mycobacterium leprae的检测率.
主要方法:
- 60个汉森病皮肤活检的组织病理学评估.
- 欧拉胺-罗达胺光染料与传统的FF染料的比较.
- 用Ridley的尺度计算细菌指数 (BI),用于这两种方法.
主要成果:
- 在70%的FF染色病例中发现了疹细菌,而在FM染色的情况下,这一比例为80%.
- 与FF (2.18) 相比,FM的平均细菌学指数 (2.48) 显著更高.
- FM发现的多细菌性麻风病例比FF染色的病例多.
结论:
- 光显微镜在检测M. leprae时比Fite-Faraco染色更为敏感.
- FM是FF染色的有益补充,特别是在具有挑战性的情况下.
- 增强的FM检测能力有助于识别和分类麻风的严重程度.
相关概念视频
01:12Immunofluorescence Microscopy
9.8K
A fluorescence microscope uses fluorescent chromophores called fluorochromes, which can absorb energy from a light source and then emit this energy as visible light. Fluorochromes include naturally fluorescent substances (such as chlorophylls) and fluorescent stains that are added to the specimen to create contrast. Dyes such as Texas red and FITC are examples of fluorochromes. Other examples include the nucleic acid dyes 4’,6’-diamidino-2-phenylindole (DAPI), and acridine orange.
9.8K
01:16Confocal Fluorescence Microscopy
12.9K
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
12.9K