Principles and Equipment of Dermoscopy
This chapter covers the principles of dermoscopy and the equipment
It has the following subchapters:
Enhanced Visualization
Dermoscopy allows for the visualization of subsurface skin structures that are not visible with the naked eye. This is achieved by eliminating the surface reflection of the skin, thereby enhancing the visibility of deeper skin layers.
Dermatoscopes
Dermatoscopes are the primary tools used in dermoscopy. They are handheld devices that provide magnification and lighting. There are two types of dermatoscopes:
Traditional Dermatoscopes
These devices use a magnifying lens and a light source. They often require a liquid medium, like alcohol or oil, placed between the device and the skin, to reduce reflection (contact dermoscopy).
Digital Dermatoscopes
Digital dermatoscopes combine magnification and lighting with digital imaging technology. This allows for capturing, storing, and analyzing images. They can be used with or without direct contact with the skin (non-contact dermoscopy).
Supporting Technology
Advanced systems integrate digital dermatoscopy with image analysis software to aid in the detection and monitoring of skin lesions. Some systems can also employ artificial intelligence to provide preliminary assessments.