A.53 X-Ray 3D Angiographic Image IOD
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## A.53 X-Ray 3D Angiographic Image IOD

### A.53.1 X-Ray 3D Angiographic Image IOD Description

This Section defines the Information Object for multi-dimensional reconstructed cone beam X-Ray Angiographic Images and includes those data elements and information objects necessary for the interchange of Multi-dimensional X-Ray volumes.

Examples of X-Ray 3D Angiographic Images are: 3D reconstruction of static vascular structures (e.g., in Neuro-Radiology), ECG triggered cardiac volumes at different phases in the cardiac cycle, coronary artery tree reconstructions.

### A.53.2 X-Ray 3D Angiographic Image IOD Entity-Relationship Model

The E-R Model in Section A.1.2 depicts those components of the DICOM Application Information Model that directly reference the X-Ray 3D Angiographic Image IOD.

### A.53.3 X-Ray 3D Angiographic Image IOD Image Module Table

Table A.53-1. X-Ray 3D Angiographic Image IOD Modules

IE | Module | Reference | Usage
--- | --- | --- | ---
Patient | Patient | C.7.1.1 | M
Clinical Trial Subject | C.7.1.3 | U
Study | General Study | C.7.2.1 | M
Patient Study | C.7.2.2 | U
Clinical Trial Study | C.7.2.3 | U
Series | General Series | C.7.3.1 | M
Clinical Trial Series | C.7.3.2 | U
Enhanced Series | C.7.3.3 | M
Frame of Reference | Frame of Reference | C.7.4.1 | M
Equipment | General Equipment | C.7.5.1 | M
Enhanced General Equipment | C.7.5.2 | M
Image | Image Pixel | C.7.6.3 | M
Enhanced Contrast/Bolus | C.7.6.4b | C - Required if contrast media was applied.
Device | C.7.6.12 | U
Intervention | C.7.6.13 | U
Acquisition Context | C.7.6.14 | M
Multi-frame Functional Groups | C.7.6.16 | M
Multi-frame Dimension | C.7.6.17 | U
Cardiac Synchronization | C.7.6.18.1 | C - Required if cardiac synchronization was applied.
Respiratory Synchronization | C.7.6.18.2 | C - Required if respiratory synchronization was applied.
Patient Orientation | C.7.6.20 | U
Image - Equipment Coordinate Relationship | C.7.6.21 | U
Specimen | C.7.6.22 | U
X-Ray 3D Image | C.8.21.1 | M
X-Ray 3D Angiographic Image Contributing Sources | C.8.21.2.1 | U
X-Ray 3D Angiographic Acquisition | C.8.21.3.2 | U
X-Ray 3D Reconstruction | C.8.21.4 | U
SOP Common | C.12.1 | M
Common Instance Reference | C.12.2 | U
Frame Extraction | C.12.3 | C - Required if the SOP Instance was created in response to a Frame-Level retrieve request

#### A.53.3.1 X-Ray 3D Angiographic Image IOD Content Constraints

##### A.53.3.1.1 Modality Type Attribute

The Modality Type attribute (0008,0060) shall have the value XA.

##### A.53.3.1.2 Restrictions for Standard Extended SOP Classes

The Overlay Plane Module, VOI LUT Module and Softcopy Presentation LUT Module shall not be used in a Standard Extended SOP Class of the X-Ray 3D Angiographic Image.

### Note

1. The VOI LUT function is provided by a Frame VOI LUT Functional Group.

2. The Curve Module was previously included in the Image IE for this IOD but has been retired. See PS3.3-2004.

##### A.53.3.1.3 Image - Equipment Coordinate Relationship Module

For X-Ray 3D Angiographic Images created from SOP Instances of the Enhanced XA SOP Class (1.2.840.10008.5.1.4.1.1.12.1.1) the isocenter coordinate system is used to describe the positioning of the table and positioner (see Section C.8.19.6.13), and shall use only the Defined Term ISOCENTER for Equipment Coordinate System Identification (0028,9537).

### A.53.4 X-Ray 3D Angiographic Image Functional Group Macros

Table A.53-2 specifies the use of the Functional Group Macros used in the Multi-frame Functional Groups Module for the X-Ray 3D Angiographic Image IOD.

Table A.53-2. X-Ray 3D Angiographic Image Functional Group Macros

Functional Group Macro | Section | Usage
--- | --- | ---
Pixel Measures | C.7.6.16.2.1 | M
Frame Content | C.7.6.16.2.2 | M - May not be used as a Shared Functional Group.
Plane Position (Patient) | C.7.6.16.2.3 | M
Plane Orientation (Patient) | C.7.6.16.2.4 | M
Referenced Image | C.7.6.16.2.5 | U
Derivation Image | C.7.6.16.2.6 | C - Required if Image Type (0008,0008) Value 1 equals DERIVED.
Cardiac Synchronization | C.7.6.16.2.7 | U
Frame Anatomy | C.7.6.16.2.8 | M
Pixel Value Transformation | C.7.6.16.2.9 | U
Frame VOI LUT | C.7.6.16.2.10 | M
Real World Value Mapping | C.7.6.16.2.11 | U
Contrast/Bolus Usage | C.7.6.16.2.12 | C - Required if the Enhanced Contrast/Bolus Module is present.
Respiratory Synchronization | C.7.6.16.2.17 | U
X-Ray 3D Frame Type | C.8.21.5.1 | M

#### A.53.4.1 X-Ray 3D Angiographic Image Functional Group Macros Content Constraints

##### A.53.4.1.1 Frame Anatomy Functional Group Macro

The Defined CID for the Anatomic Region Sequence (0008,2218) shall be CID 4042 “XA/XRF Anatomy Imaged”.

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