Laboratory of Skin Bioengineering and Imaging, Department of Dermatopathology, University Hospital of Liège, Liège, Belgium.
Clin Exp Dermatol. 2011 Oct;36(7):793-6. doi: 10.1111/j.1365-2230.2011.04120.x. Epub 2011 Jun 21.
Seborrhoeic dermatitis and dandruff are common scalp conditions. In this study, we set out to explore a new method for rating both the severity of the scalp condition and the efficacy of scalp-care compounds. Scalp flakiness was sampled for 40 volunteers using adhesive-coated clear discs, with image analysis used to quantify the specular light reflectance (SLR) of the flakes Two ultraviolet (UV)-emitting charge-coupled device cameras (Visioscan VC98 and Visiopor PP34) were used. SLR clearly highlighted the flakiness with high contrast against a black background, and the recorded appearance could be conveniently submitted to the image-analysis system for quantification. In conclusion, SLR under UV illumination highlights scalp flakiness, allowing objective measurements.
脂溢性皮炎和头皮屑是常见的头皮状况。在这项研究中，我们旨在探索一种新的方法来评估头皮状况的严重程度和头皮护理化合物的疗效。使用带粘性涂层的透明圆盘采集了 40 名志愿者的头皮鳞屑样本，并用图像分析来量化鳞屑的镜面光反射（SLR）。使用了两台紫外线（UV）发射电荷耦合器件相机（Visioscan VC98 和 Visiopor PP34）。SLR 清晰地突出了鳞屑的高对比度，与黑色背景形成鲜明对比，记录的外观可以方便地提交给图像分析系统进行量化。总之，在 UV 照射下的 SLR 突出了头皮鳞屑，允许进行客观测量。
