C.8.21.3.2 X-Ray 3D Angiographic Acquisition Module
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##### C.8.21.3.2 X-Ray 3D Angiographic Acquisition Module

This section describes the X-Ray 3D Angiographic Acquisition Module.

Table C.8.21.3.2-1. X-Ray 3D Angiographic Acquisition Module Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
X-Ray 3D Acquisition Sequence | (0018,9507) | 1 | Each item represents an acquisition context related to one or more reconstructions. The values of Acquisition Index (0020,9518) may be used as index to Items in this sequence. One or more Items shall be included in this sequence.
>Field of View Shape | (0018,1147) | 1C | Shape of the Field of View in the referenced images. Enumerated Values: RECTANGLE ROUND HEXAGONAL Required if present and consistent in the contributing SOP Instances.
>X-Ray Receptor Type | (0018,9420) | 1C | Identifies the type of X-Ray receptor used. Enumerated Values: IMG_INTENSIFIER DIGITAL_DETECTOR Required if present and consistent in the contributing SOP Instances.
>Include Table C.8.21.3.1.1-1 “X-Ray 3D General Shared Acquisition Macro Attributes” |
>Include Table C.8-71b “Digital X-Ray Detector Macro Attributes” |
>Physical Detector Size | (0018,9429) | 1C | Dimensions of the physical detector measured in mm as a row size followed by a column size. Required if present and consistent in the contributing SOP Instances.
>Position of Isocenter Projection | (0018,9430) | 1C | Position of the Isocenter measured in physical detector elements as a row offset followed by a column offset from the TLHC of a rectangle circumscribing the physical detector area. Required if Isocenter Reference System Sequence (0018,9462) is present and if the values are present and consistent in the contributing SOP Instances.
>Distance Source to Detector | (0018,1110) | 1C | Distance from source to receptor plane perpendicular to the receptor plane in mm or distance in mm from source to detector center on the chest wall line. See Section C.8.11.7.1.1. Required if present and consistent in the contributing SOP Instances. ### Note This value is traditionally referred to as Source Image Receptor Distance (SID).
>Distance Source to Isocenter | (0018,9402) | 1C | Distance from source to isocenter in mm. Required if present and consistent in the contributing SOP Instances.
>Focal Spot(s) | (0018,1190) | 1C | Nominal focal spot size in mm used to acquire this image. Required if present and consistent in the contributing SOP Instances.
>Filter Type | (0018,1160) | 1C | Type of filter(s) inserted into the X-Ray beam (e.g., wedges). See Attribute Description in Section C.8.7.10 for Defined Terms. ### Note Multiple type of filters can be expressed by a combination, e.g., BUTTERFLY+WEDGE. Required if present and consistent in the contributing SOP Instances.
>Filter Material | (0018,7050) | 1C | The X-Ray absorbing material used in the filter. May be multi-valued. See Attribute Description in Section C.8.7.10 for Defined Terms. Required if present and consistent in the contributing SOP Instances.
>Filter Thickness Minimum | (0018,7052) | 1C | See Attribute Description in Section C.8.7.10. Required if present and consistent in the contributing SOP Instances.
>Filter Thickness Maximum | (0018,7054) | 1C | See Attribute Description in Section C.8.7.10. Required if present and consistent in the contributing SOP Instances.
>Filter Beam Path Length Minimum | (0018,7056) | 1C | See Attribute Description in Section C.8.7.10. Required if present and consistent in the contributing SOP Instances.
>Filter Beam Path Length Maximum | (0018,7058) | 1C | See Attribute Description in Section C.8.7.10. Required if present and consistent in the contributing SOP Instances.
>Table X Position to Isocenter | (0018,9466) | 3 | X position of the Table Reference Point with respect to the Isocenter (mm). See Section C.8.19.6.13.1.3 for further explanation.
>Table Y Position to Isocenter | (0018,9467) | 3 | Y position of the Table Reference Point with respect to the Isocenter (mm). See Section C.8.19.6.13.1.3 for further explanation.
>Table Z Position to Isocenter | (0018,9468) | 3 | Z position of the Table Reference Point with respect to the Isocenter (mm). See Section C.8.19.6.13.1.3 for further explanation.
>Table Horizontal Rotation Angle | (0018,9469) | 3 | Rotation of the table in the horizontal plane. See Section C.8.19.6.13.1.3 for further explanation.
>Table Head Tilt Angle | (0018,9470) | 3 | Angle of the head-feet axis of the table in degrees relative to the horizontal plane. See Section C.8.19.6.13.1.3 for further explanation.
>Table Cradle Tilt Angle | (0018,9471) | 3 | Angle of the left-right axis of the table in degrees relative to the horizontal plane. See Section C.8.19.6.13.1.3 for further explanation.
>Include Table C.8.21.3.1.3-1 “X-Ray 3D General Positioner Movement Macro Attributes” |
>Per Projection Acquisition Sequence | (0018,9538) | 1C | Sequence containing detailed acquisition context of each individual projection used in this acquisition context. One or more Items shall be included in this sequence. Required if present and consistent in the contributing SOP Instances.
>>Include Table C.8.21.3.1.2-1 “X-Ray 3D General Per Projection Acquisition Macro Attributes” |
>>Positioner Isocenter Primary Angle | (0018,9463) | 1C | Position of the X-Ray center beam for this projection in the isocenter reference system in the X direction (deg). See Section C.8.19.6.13.1.2 for further explanation. Required if present and consistent in the contributing SOP Instances.
>>Positioner Isocenter Secondary Angle | (0018,9464) | 1C | Position of the X-Ray center beam for this projection in the isocenter reference system in the Z direction (deg). See Section C.8.19.6.13.1.2 for further explanation. Required if present and consistent in the contributing SOP Instances.
>>Positioner Isocenter Detector Rotation Angle | (0018,9465) | 1C | Rotation of the X-Ray detector plane for this projection (deg). See Section C.8.19.6.13.1.2 for further explanation. Required if present and consistent in the contributing SOP Instances.
>>Positioner Primary Angle | (0018,1510) | 3 | Position of the X-Ray Image Intensifier about the patient from the RAO to LAO direction where movement from RAO to vertical is positive. See Section C.8.7.5.1.2 for further explanation.
>>Positioner Secondary Angle | (0018,1511) | 3 | Position of the X-Ray Image Intensifier about the patient from the CAU to CRA direction where movement from CAU to vertical is positive. See Section C.8.7.5.1.2 for further explanation.

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