CP-1903 Add laterality parameter to TID 300 Status Submitted Date of Last Update 2019/04/26 Person Assigned David Clunie Submitter Name David Clunie Submission Date 2019/02/28 Correction Number CP-1903 Log Summary: Add laterality parameter to TID 300 Name of Standard PS3.16 Rationale for Correction: A parameter for Laterality is missing from TID 300, and some invocations may want to specify which laterality is to be used. Correction Wording: <informaltable rules="all" frame="box"> <tr> <td> <para><emphasis role="italic">Amend DICOM PS3.16 as follows (changes to existing text are bold and <emphasis role="bold"><emphasis role="underline">underlined</emphasis></emphasis> for additions and <emphasis role="bold"><emphasis role="strikethrough">struckthrough</emphasis></emphasis> for removals):</emphasis></para> </td> </tr> </informaltable> <section label="TID 300" status="3" xml:id="sect_TID_300"> <title>Measurement This Template provides a general structure for a numeric measurement, together with evaluations of its normality and/or significance, and the inference source(s) for its value. This structure is instantiated by inclusion of this Template with specific contextual parameters from a parent Template.
Parameters
Parameter Name Parameter Usage
$Measurement Coded term or Context Group for Concept Name of measurement
$Units Units of Measurement
$ModType Modifier Name for Concept Name of measurement
$ModValue Modifier Value for Concept Name of measurement
$Method Value for Measurement Method
$Derivation Value for Measurement Derivation
$TargetSite Value(s) for Anatomic Location of measurement
$TargetSiteLaterality Laterality Value for Anatomic Location of measurement
$TargetSiteMod Modifier Value for Anatomic Location of measurement
$Equation Coded term or Context Group for the equation or table from which the measurement was derived or computed
$ImagePurpose Purpose of Reference for an image used as a source of the measurement
$WavePurpose Purpose of Reference for a waveform used as a source of the measurement
$RefAuthority Bibliographic reference or authority for statistical properties of a reference population
$RangeAuthority Bibliographic reference or authority for the normal range of the measurement
$DerivationParameter Coded term or Context Group for Concept Name of a derivation parameter
$DerivationParameterUnits Units of derivation parameter
Type: Extensible Order: Significant Root: No
Measurement
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
1 NUM $Measurement 1 M UNITS = $Units
2 > HAS CONCEPT MOD CODE $ModType 1-n U $ModValue
3 > HAS CONCEPT MOD CODE EV (G-C036, SRT, "Measurement Method") 1 U $Method
4 > HAS CONCEPT MOD CODE EV (121401, DCM, "Derivation") 1 U $Derivation
5 > HAS CONCEPT MOD CODE EV (G-C0E3, SRT, "Finding Site") 1-n U $TargetSite
6 >> HAS CONCEPT MOD CODE EV (G-C171, SRT, "Laterality") 1 U $TargetSiteLaterality D
7 >> HAS CONCEPT MOD CODE DT (G-A1F8, SRT, "Topographical modifier") 1 U $TargetSiteMod
8 > HAS PROPERTIES INCLUDE D 1 U $RefAuthority = $RefAuthority $RangeAuthority = $RangeAuthority
9 > INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 10 UNITS = $DerivationParameterUnits
10 > R-INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 9 UNITS = $DerivationParameterUnits
11 > INFERRED FROM INCLUDE D 1 UC XOR Row 12 $Equation = $Equation
12 > INFERRED FROM TEXT D 1 UC XOR Row 11
13 > INCLUDE D 1-n U $Purpose = $ImagePurpose
14 > INCLUDE D 1-n U $Purpose = $WavePurpose
15 > INCLUDE D 1 U
16 > HAS CONCEPT MOD TEXT EV (121050, DCM, "Equivalent Meaning of Concept Name") 1 U
17 > HAS OBS CONTEXT INCLUDE D 1 U
18 > INFERRED FROM COMPOSITE EV (126100, DCM, "Real World Value Map used for measurement") 1 U SOP Class UID shall be Real World Value Mapping Storage ("1.2.840.10008.5.1.4.1.1.67")
19 > HAS CONCEPT MOD INCLUDE D 1 U
Content Item Descriptions Rows 2, 3, 4, 5 The HAS CONCEPT MOD items allow the explicit definition of terms for post-coordination of the measurement concept name. Additional post-coordinated modifier terms may be included in a SOP Instance based on this Template, in accordance with section 6.2.4, or as defined by Templates that invoke this Template and explicitly define additional post-coordinated modifiers (e.g., TID 5203). Row 5 Finding site may be multiple when a region of interest spans multiple anatomical locations and there is not a single pre-coordinated code describing the combination of locations. E.g., when a maligant, inflammatory or traumatic process spans actual or defined anatomical boundaries. There is no requirement that the multiple locations be contiguous. Rows 9, 10 The INFERRED FROM items allow the specification (by-value or by-reference) of numeric values that were used in the derivation of the numeric measurement of Row 1. The nature of the inference is not explicitly conveyed; it may be implicit in the Concept Names of the measurements. Inference by-reference is valid only in SOP Classes that permit the INFERRED FROM relationship by-reference. Row 16 Equivalent Meaning of Concept Name allows the creating application to specify the preferred composed concept name representing the measurement and the associated post-coordinated concept modifiers. The concept modifiers may include those specified in this Template, in a Template that invokes this Template, or at the option of the creating application in accordance with section 6.2.4. This composed concept name may be rendered by a display application. Row 18 Row 18 is a reference to an RWV that describes how measurements were made in units that differ from the stored pixel values in the images referenced in Row 13. E.g., for a PET SUVbw measurement, the mapping from activity/concentration units in the referenced image that was used (and which may be reused for measurements in the future) may be encoded in a referenced RWV instance. This reference overrides any reference in an including Template (such as for a Measurement Group).