DICOM PS3.17 2018d - Explanatory Information

DDDD.4 Specification of Adhoc (One-Time) Measurements (Current)
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## DDDD.4 Specification of Adhoc (One-Time) Measurements

In the case of a measurement that is only being performed once, there is little value in incurring the overhead to specify all measurement characteristics and assign a code to the measurement as it will never be used again. Rather, the descriptive text associated with the measurement may provide sufficient clinical context. Association of the measurement with the source image (and/or particular points in the source image) can often provide additional relevant context so it is recommended to provide image coordinate references in the Structured Report (See TID 5303).

If a user finds that the same quantity is being measured repeatedly as an adhoc measurement, a non-standard measurement definition should be created for the measurement as described in Section DDDD.3.

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DICOM PS3.17 2018d - Explanatory Information