What is the definition of selective photothermolysis?

Selective photothermolysis refers to the precise destruction of a targeted tissue, often a chromophore (a colored substance in tissue), while minimally affecting the surrounding structures. This process relies on specific wavelengths of light that are absorbed by the target tissue, allowing for effective treatment of conditions such as unwanted hair, pigmented lesions, or vascular lesions without harming the adjacent skin.

The core aspect of selective photothermolysis is that it utilizes the principle of absorption and differential response based on the chromophore's characteristics, such as its absorption spectrum. This targeted approach maximizes treatment efficacy while minimizing collateral damage, making it a vital concept in electrology and laser therapies.

The choice that focuses solely on adequately destroying a chromophore without harming surrounding tissue encapsulates the essence of this principle concisely, indicating the importance of selectivity in treatment outcomes.