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Home < Documentation < 4.4 < Modules < DicomRtImport

For the latest Slicer documentation, visit the 4.10 page.

Introduction and Acknowledgements

This work is part of the SparKit project, funded by An Applied Cancer Research Unit of Cancer Care Ontario with funds provided by the Ministry of Health and Long-Term Care and the Ontario Consortium for Adaptive Interventions in Radiation Oncology (OCAIRO) to provide free, open-source toolset for radiotherapy and related image-guided interventions.
Authors: Andras Lasso (PerkLab, Queen's University), Steve Pieper (Isomics), Kevin Wang (Princess Margaret Cancer Centre), Csaba Pinter (PerkLab, Queen's University)
Contact: Andras Lasso, <email></email>
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Cancer Care Ontario  
Software Platform and Adaptive Radiotherapy Kit  
Ontario Consortium for Adaptive Interventions in Radiation Oncology  

Module Description

The DicomRtImport module enables importing and loading DICOM RT files into the Slicer DICOM database and the Slicer scene.

DicomRtImport does not have a separate module GUI. Instead, it is a DICOM import plugin that extends the DICOM module.

When the user selects a patient in the DICOM management module interface, the import mechanism allows each DICOM import module to interpret the data. The DICOM import modules parse the data and return a list of items that they can read from the selected DICOM objects. This module will return with the RT objects. The DICOM module displays the consolidated list of all loadable objects to the user, and loads the items that are selected by the user.

Use Cases

Import and load DICOM RT data


See SlicerRT main page

Panels and their use

See module description

Similar Modules

Reporting extension



DICOM browser with SlicerRT

Information for Developers

Custom attributes:

  • DicomRtImport.DoseVolume: identifier attribute that is set to each imported dose volume. Facilitates easier distinction between dose and non-dose volumes (without tampering in the Patient Hierarchy tree, see below)
  • DicomRtImport.DoseUnitName: set in the study of each imported dose volume, the value of this attribute is read from the Dose Units (3004,0002) attribute of the RTDOSE DICOM volume
  • DicomRtImport.DoseUnitValue: set in the study of each imported dose volume, the value of this attribute is read from the Dose Grid Scaling (3004,000E) attribute of the RTDOSE DICOM volume. This value defines a scaling factor to convert the integer voxel values of the dose volume in the DICOM file to real dose values. This conversion is performed during DICOM importing, but this value is stored to let other modules know what was the original scaling factor (e.g., see how it is used in the documentation of the Dose Volume Histogram module)
  • DicomRtImport.ContourHierarchy: identifier attribute for structure sets (contour hierarchy vtkMRMLDisplayableHierarchyNode nodes)
  • DicomRtImport.RtImage: identifier attribute for RT images