Overview: DVH Evaluation Module

This module describes the basic terminology and evaluation process of a DVH, dose volume histogram. The different types of DVHs and the different means of evaluating certain targets, organs at risk, and other structures are discussed. In addition, DVHs are illustrated graphically using “real world” patient cases.
At the end of this module, there is a 10 item multiple-choice quiz to gauge your understanding and mastery of DVH Evaluation.

Module Key Words

• DVH
• Differential DVH
• Cumulative DVH
• Point Dose
• V20