Principles and Equipment of Dermoscopy

From dermoscopedia
Main PagePrinciples and Equipment of DermoscopyTable of Contents data
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Description This chapter covers the principles of dermoscopy and the equipment
Author(s) Ralph P. Braun · Alon Scope · P. Tschandl
Responsible author Ralph Braun→ send e-mail
Status unknown
Status update March 1, 2023
Status by Ralph P. Braun

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 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.

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