DICOM tags modification

A DICOM file is composed of a basic file structure which can be seen below: The header consists of a 128 byte File Preamble, followed by a 4 byte DICOM prefix. The header sometimes may not be included in the file. It depends on the application and the vendor. So, if you wish to check…

How to calculate a dose-volume-histogram

Dose-volume histogram (DVH)

A dose-volume histogram (DVH) is a histogram relating radiation dose to tissue volume in radiation therapy planning. DVHs are most commonly used as a plan evaluation tool and to compare doses from different plans or to structures. DVH summarizes 3D dose distributions in a graphical 2D format. In modern radiation therapy, 3D dose distributions are…