Tag: MPPS

Modality Performed Procedure Step Service

in DICOM,

The Modality Performed Procedure Step Service, commonly known as MPPS, provides a mechanism for modalities to pass information about the imaging they are performing back to the RIS and/or PACS. There are 2 different types of message, and normally, one of each is sent, in order: An N-CREATE message, setting the status to “IN PROGRESS”. This is sent at the start of the procedure step. An N-SET message, setting the status to “COMPLETE”, which is sent at the end of the procedure step.

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Performed Procedure Step Object

in DICOM,

This is a Normalised Instance which represents the state of a procedure step, and is: Created by the SCU using N-CREATE with a status of “IN PROGESS” Updated as necessary by the SCU using N-SET operations The final status must (updated by the N-SET) must be “COMPLETED” or “DISCONTINUED”

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