Q:

What is the light machine a dermatologist uses and what does it do?

A:

Quick Answer

One of a dermatologist's primary tools is called a dermoscope. Dermatologists use a variety of lights for diagnosis and treatment.

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Full Answer

Dermatologists use a tool called a dermoscope, which shines light on and magnifies the skin. It is also known as a dermatoscope and allows for examination of skin structures and pigment.

The examination process is called dermoscopy and requires the use of oil or alcohol on the skin area to reduce the amount of reflection as well as to enhance the transparency of the skin layer. The dermatologist is then able to closely examine skin areas, moles, and marks. Such examination is a vital first step in determining the presence of skin conditions such as cancer.

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