X-Ray Radiation Dose SR IOD Templates
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## X-Ray Radiation Dose SR IOD Templates

The templates that comprise the X-Ray Radiation Dose SR are interconnected as in Figure A-14.

Figure A-14. X-Ray Radiation Dose SR IOD Template Structure

### TID 10001 Projection X-Ray Radiation Dose

This template defines a container (the root) with subsidiary content items, each of which represents a single projection X-Ray irradiation event entry or plane-specific dose accumulations. There is a defined recording observer (the system or person responsible for recording the log, generally the system). A Biplane irradiation event will be recorded as two individual events, one for each plane. Accumulated values will be kept separate for each plane.

Type:

  Extensible

Order:

  Non-Significant

Root:

  Yes

Table TID 10001. Projection X-Ray Radiation Dose

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  |  | CONTAINER | EV (113701, DCM, "X-Ray Radiation Dose Report") | 1 | M |  | Root node
2 | > | HAS CONCEPT MOD | CODE | EV (121058, DCM, "Procedure reported") | 1 | M |  | DT (113704, DCM, "Projection X-Ray") DT (P5-40010, SRT, "Mammography")
3 | >> | HAS CONCEPT MOD | CODE | EV (G-C0E8, SRT, "Has Intent") | 1 | M |  | DCID 3629 “Procedure Intent”
4 | > | CONTAINS | CODE | EV (122142, DCM, "Acquisition Device Type") | 1 | U |  | DCID 10032 “Projection X-Ray Acquisition Device Types”
5 | > |  | INCLUDE | DTID 1002 “Observer Context” | 1-n | M |  |
6 | > | HAS OBS CONTEXT | CODE | EV (113705, DCM, "Scope of Accumulation") | 1 | M |  | DCID 10000 “Scope of Accumulation”
7 | >> | HAS PROPERTIES | UIDREF | DCID 10001 “UID Types” | 1 | M |  |
8 | > | CONTAINS | CODE | EV (113945, DCM, "X-Ray Detector Data Available") | 1 | U |  | DCID 230 “Yes-No”
9 | > | CONTAINS | CODE | EV (113943, DCM, "X-Ray Source Data Available") | 1 | U |  | DCID 230 “Yes-No”
10 | > | CONTAINS | CODE | EV (113944, DCM, "X-Ray Mechanical Data Available") | 1 | U |  | DCID 230 “Yes-No”
11 | > | CONTAINS | INCLUDE | DTID 10002 “Accumulated X-Ray Dose” | 1 | MC | IFF Single Plane system | $Plane = EV (113622, DCM, "Single Plane")
12 | > | CONTAINS | INCLUDE | DTID 10002 “Accumulated X-Ray Dose” | 1 | MC | IFF Biplane system | $Plane = EV (113620, DCM, "Plane A")
13 | > | CONTAINS | INCLUDE | DTID 10002 “Accumulated X-Ray Dose” | 1 | MC | IFF Biplane system | $Plane = EV (113621, DCM, "Plane B")
14 | > | CONTAINS | INCLUDE | DTID 10003 “Irradiation Event X-Ray Data” | 1-n | MC | IF any of the values of TID (10001) Row 18 are not (113858, DCM, "MPPS Content"), (113866, DCM, "Copied From Image Attributes") or (113867, DCM, "Computed From Image Attributes") |
15 | > | CONTAINS | TEXT | EV (121106, DCM, "Comment") | 1 | U |  |
16 | > | CONTAINS | IMAGE | EV (121342, DCM, "Dose Image") | 1-n | U |  |
17 | > | CONTAINS | INCLUDE | DTID 1020 “Person Participant” | 1 | U |  | $PersonProcedureRole = EV (113850, DCM, "Irradiation Authorizing")
18 | > | CONTAINS | CODE | EV (113854, DCM, "Source of Dose Information") | 1-n | M |  | DCID 10020 “Source of Projection X-Ray Dose Information”

Content Item Descriptions

Row 2 | "Projection X-Ray" refers to procedures performed on either integrated equipment (where information is passed between the X-Ray source (generator and tube), detector, and mechanical systems), or non-integrated equipment (where data might not be available for one or more components such as cassette-based systems). The data availability can be described in Rows 8, 9 and 10. The specific type of equipment can be described in Row 4. The coded term for "Mammography" is intended to encompass all types of projection X-Ray imaging of the breast. ### Note Mammography exams are distinguished by a different value in this attribute, Angiography exams are distinguished by the Irradiation Event Type attribute = Fluoroscopy, CR/DR exams are distinguished by one or more of the Data Availability Flags = No, and CT exams are distinguished by the use of a different template.
Row 5 | The observer context may include both a Person Observer identification, as well as the identity of the equipment providing the values for the irradiation event (Device Observer identification), if not inherited.
Row 8 | A value of "No" indicates that details associated with the X-Ray Detector are not available to the device generating this report. For example, an X-Ray Source system might lack any communication with the associated cassette-based X-Ray detector or any method of entering such information. A value of "Yes" or the absence of this row means that the details are available.
Row 9 | A value of "No" indicates that details associated with the X-Ray Source are not available to the device generating this report. For example, a cassette-based X-Ray detector might lack any communication with the associated X-Ray Source or any method of entering such information. A value of "Yes" or the absence of this row means that the details are available.
Row 10 | A value of "No" indicates that details associated with the Gantry and/or Table are not available to the device generating this report. For example, a cassette-based X-Ray detector might lack any communication with the associated gantry/table or any method of entering such information. A value of "Yes" or the absence of this row means that the details are available.
Row 11 | Cassette-based X-Ray systems should consider themselves to be Single Plane systems.
Row 14 | Details of the underlying irradiation events. If Row 18 has a value of "MPPS Content" then a TID 10003 “Irradiation Event X-Ray Data” item may be generated for each item in the MPPS Exposure Dose Sequence (0040,030E), but since this is an optional element in MPPS, if it is absent, empty or incomplete, there may be no irradiation event level information available. Alternatively, the information may be copied or computed from the images.
Row 16 | The Dose Image references a graphic representation of the radiation dose distribution. This may be a Secondary Capture scan of a dosimetry film.
Row 17 | The physician responsible for determining that the irradiating procedure was appropriate for the indications. The value may come from Requesting Physician (0032,1032), Requesting Physician Identification Sequence (0032,1031) or somewhere else based on hospital policies.
Row 18 | The primary source of information from which this dose object was constructed. The Source of Dose Information (Row 18) is independent of the Scope Of Accumulation (Row 6); e.g., it would be typical to have a scope of (113016, DCM, "Performed Procedure Step"), but a source of (113856, DCM, "Automated Data Collection") rather than (113858, DCM, "MPPS Content").

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