DICOM PS3.17 2021d - Explanatory Information

V.4 Neurosurgery Planning Hanging Protocol Example (Current)
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## V.4 Neurosurgery Planning Hanging Protocol Example

Goal: A Hanging Protocol for MR & CT of Head, for a neurosurgery plan. 1Kx1K screen on left shows orthogonal MPR slices through the acquisition volume, and in one presentation group has a 3D interactive volume rendering in the lower right quadrant. In all display sets the 1Kx1K screen is split into 4 512x512 quadrants. The 2560x2048 screen has a 4 row by 3 column tiled display area. There are 4 temporal presentation groups: CTnew, MR, combined CTnew and MR, combined CTnew and CTold.

Display Environment Spatial Position Attribute values for image boxes are represented in terms of ratios in pixel space [(0/3072, 512/2560), (512/3072,0/2560)] rather than (0.0,0.0), (1.0,1.0) space, for ease of understanding the example.

Figure V.4-1. Neurosurgery Planning Hanging Protocol Example

### V.4.1 Hanging Protocol Definition Module

- Hanging Protocol Name: "NeurosurgeryPlan"

- Hanging Protocol Description: "Neurosurgery planning, requiring MR and CT of head"

- Hanging Protocol Level: "SITE"

- Hanging Protocol Creator: "Smith^Joseph"

- Hanging Protocol Creation DateTime: "20020101104200"

- Hanging Protocol Definition Sequence:

  - Item 1:

    - Modality: "MR"

    - Anatomic Region Sequence:

      - Item 1: (69536005, SCT, "Head")

    - Laterality: zero length

    - Procedure Code Sequence:

      - Item 1: (98765, 99Local, 1.5, "NeuroSurgery Plan Local5")

    - Reason for Requested Procedure Code Sequence:

      - Item 1: (I67.1, I10, "Cerebral aneurysm")

  - Item 2:

    - Modality: "CT"

    - Anatomic Region Sequence:

      - Item 1: (69536005, SCT, "Head")

    - Laterality: zero length

    - Procedure Code Sequence:

      - Item 1: (98765, 99Local, 1.5, "NeuroSurgery Plan Local5")

    - Reason for Requested Procedure Code Sequence:

      - Item 1: (I67.1, I10, "Cerebral aneurysm")

- Number of Priors Referenced: 1

- Image Sets Sequence:

  - Item 1:

    - Image Set Selector Sequence:

      - o Item 1:

        - Image Set Selector Usage Flag: "NO_MATCH"

        - Selector Attribute: (0018,0015) [Body Part Examined]

        - Selector Attribute VR: "CS"

        - Selector CS Value: "HEAD"

        - Selector Value Number: 1

      - Item 2:

        - Image Set Selector Usage Flag: "NO_MATCH"

        - Selector Attribute: (0008,0060) [Modality]

        - Selector Attribute VR: "CS"

        - Selector CS Value: "MR"

        - Selector Value Number: 1

    - Time Based Image Sets Sequence:

      - o Item 1:

        - Image Set Number: 1

        - Image Set Selector Category: "RELATIVE_TIME"

        - Relative Time: 0\0

        - Relative Time Units: "MINUTES"

        - Image Set Label: "Current MR Head"

  - Item 2:

    - Image Set Selector Sequence:

      - Item 1:

        - Image Set Selector Usage Flag: "NO_MATCH"

        - Selector Attribute: (0018,0015) [Body Part Examined]

        - Selector Attribute VR: "CS"

        - Selector CS Value: "HEAD"

        - Selector Value Number: 1

      - o Item 2:

        - Image Set Selector Usage Flag: "NO_MATCH"

        - Selector Attribute: (0008,0060) [Modality]

        - Selector Attribute VR: "CS"

        - Selector CS Value: "CT"

        - Selector Value Number: 1

    - Time Based Image Sets Sequence:

      - Item 1:

        - Image Set Number: 2

        - Image Set Selector Category: "RELATIVE_TIME"

        - Relative Time: 0\0

        - Relative Time Units: "MINUTES"

        - Image Set Label: "Current CT Head"

      - Item 2:

        - Image Set Number: 3

        - Image Set Selector Category: "ABSTRACT_PRIOR"

        - Abstract Prior Value: 1\1

        - Image Set Label: "Prior CT Head"

- Hanging Protocol User Identification Code Sequence: zero length

- Hanging Protocol User Group Name: "ABC Hospital"

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DICOM PS3.17 2021d - Explanatory Information