DICOM PS3.3 2024e - Information Object Definitions |
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Table 10.41-1 specifies the Attributes of the General Procedure Protocol Reference Macro, which identifies the Procedure Protocol SOP Instance and the Protocol Element related to the creation of an Instance.
Because all the Instances in a Series are often generated from the same acquisition/reconstruction protocol, protocol is often considered at the Series level (Protocol Name (0018,1030) is in the General Series Module). It is however valid to have several Instances in the same Series where each Instance was generated using a different protocol and/or a different protocol element.
Table 10.41-1. General Procedure Protocol Reference Macro Attributes
Defined Procedure Protocol SOP Instance(s) that were used for this Instance. Required if this instance is a Performed Procedure Protocol that resulted from a Defined Procedure Protocol. May be present otherwise. One or more Items shall be included in this Sequence. See Section 10.41.1. |
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>Include Table 10-11 “SOP Instance Reference Macro Attributes” |
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A single value corresponding to the Protocol Element Number (0018,9921) of the Acquisition Protocol Element Specification Sequence (0018,991F) that corresponds to this Instance. Shall not be present if Source Reconstruction Protocol Element Number (0018,993A) is present. |
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A single value corresponding to the Protocol Element Number (0018,9921) of the Reconstruction Protocol Element Specification Sequence (0018,9933) that corresponds to this Instance. Shall not be present if Source Acquisition Protocol Element Number (0018,9938) is present. |
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Performed Procedure Protocol SOP Instance(s) that describe the conditions by which this Instance was generated. Required if a related Performed Procedure Protocol SOP Instance was created. One or more Items shall be included in this Sequence. See Section 10.41.1. |
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>Include Table 10-11 “SOP Instance Reference Macro Attributes” |
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A single value corresponding to the Protocol Element Number (0018,9921) of the Acquisition Protocol Element Sequence (0018,9920) that corresponds to this Instance. Shall not be present if Source Reconstruction Protocol Element Number (0018,993A) is present. |
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A single value corresponding to the Protocol Element Number (0018,9921) of the Reconstruction Protocol Element Sequence (0018,9934) that corresponds to this Instance. Shall not be present if Source Acquisition Protocol Element Number (0018,9938) is present. |
The Referenced Defined Protocol Sequence (0018,990C) contains a reference to the Defined Procedure Protocol SOP Instance(s) and protocol element that were used to generate this Instance. The Referenced Performed Protocol Sequence (0018,990D) contains a reference to the Performed Procedure Protocol SOP Instance(s) and protocol element that describe the conditions by which this Instance was generated.
Multiple Items in the Referenced Defined Protocol Sequence (0018,990C) may represent a group case where several Defined Procedure Protocols were performed together as a single Performed Procedure Protocol.
Multiple Items in the Referenced Performed Protocol Sequence (0018,990D) are recommended if the acquisition and reconstruction were recorded in separate Performed Procedure Protocol SOP Instances. However, it is not intended that this Sequence references Defined or prior Performed Protocol SOP Instances on which the current Performed Procedure Protocol SOP Instance was based. Such references may be found inside the current Performed Procedure Protocol SOP Instance itself.
In case where the acquisition and the reconstruction are done in two separate devices connected through the network, the reconstruction device can use the Source Acquisition Protocol Element of the Referenced Defined Protocol to determine the images that will be reconstructed with a given reconstruction protocol element.
DICOM PS3.3 2024e - Information Object Definitions |
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