Supplement 191: Patient Radiation Dose Reporting (P-RDSR) Supplement is developed by DICOM Working Group 28 (WG-28-Physics)

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Presentation transcript:

Supplement 191: Patient Radiation Dose Reporting (P-RDSR) Supplement is developed by DICOM Working Group 28 (WG-28-Physics)

Supplement 191 Patient Dose SR Current Radiation Dose SR contains only information about the x-ray system or information the x-ray system can determine, e.g.: radiation output, geometry, x-ray source, detector system, etc. Estimation of patient/organ dose requires knowledge of: Radiation beam characteristics that interact with patient Models of the patient/organs Models of radiation interaction within the patient Methods to do patient dose estimations are being developed and improved continuously storage of these estimations in a different object would allow more versatile utilization of the data 2

Patient Dose SR IOD Templates 3 TID prdsrT01 Patient Radiation Dose TID 1002 Observer Context TID prdsrT02 Dose Estimate Group TID prdsrT03 Dose Estimate Representation TID prdsrT04 Dose Estimate Methodology TID prdsrT05 Dose Estimate Parameters TID 1204 Language of Content Item and Descendants

4 - X-Ray exposure techniques - Table, Gantry Angle, Beam Geometry, collimation, … - Dose measures: CTDI, DAP,... X-Ray Equipment Patient Dose Determination: Data Flow Requirements Modality Frame of Reference (FOR) Signifies part of Supplement 191 Patient RDSR

5 - X-Ray exposure techniques - Table, Gantry Angle, Beam Geometry, collimation, … - Dose measures: CTDI, DAP,... X-Ray Equipment Patient Model Equipment Information -Table dimension -Attenuating material, … Modality Frame of Reference (FOR) Patient Model FOR Patient Dose Determination: Data Flow Requirements

6 Signifies part of Supplement 191 Patient RDSR - X-Ray exposure techniques - Table, Gantry Angle, Beam Geometry, collimation, … - Dose measure: CTDI, DAP,... X-Ray Equipment Patient Model Calculated data for documentation and reference to images and RDSR’s Patient Dose Determination: Data Flow Requirements Equipment Information -Table dimension -Attenuating material, … Patient Dose 2D view/map (e.g. iso-dose map) Patient Dose Surface 3D map/view Modality Frame of Reference (FOR) Patient Model FOR

Author Contacts Donald Peck, Annalisa Trianni, Heinz Blendinger, Francisco Sureda, Steve Massey, Ioannis Sechopoulos, Ting Lu, DICOM Secretariat: 7 Thank you for your attention!