Source: wikibot/percentage-depth-dose-curve
= Percentage depth dose curve
{wiki=Percentage_depth_dose_curve}
The Percentage Depth Dose (PDD) curve is an important concept in radiation therapy that describes how the dose of radiation delivered by a therapy beam decreases with increasing depth in a given medium, such as tissue. This curve is essential for understanding how radiation penetrates and interacts with the tissues of the body.