DIFF FT Evaluation

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MR Diffusion Imaging (DIFF) Final Text Evaluation

Reviewed by IHE RAD Tech on April 3, 2025

Proposal

The MR Diffusion Imaging profile has been nominated for advancement to Final Text. (Advocate: Wim Corbijn) Per the Final Text Process, Items in blue text below warrant Committee discussion.

Technical Committee Checklist

Decision:

  • Are all significant CPs against the profile "closed"?
    • Currently no active CPs
  • Are all significant CPs against the underlying standards "closed"?
    • Currently no active CPs,
    • A DICOM CP will be submitted to add ISOTROPIC is done and in the meantime changed by DICOM. This means Table 4.18.4.1.2.5-1. Image Type and Frame Type values needs update to align new method defined by DICOM. Shall also cover ADC.
      • RAD Tech Discussion: Recommend to have DICOM Working Group 6 and 16 discuss this prior to moving DIFF to Final Text.
  • Have all significant comments been CP'd or rejected?
    • No open comments identified
  • Have all open issues listed in the Supplement been closed?
    • No open issues, all issues are closed.
  • Have all significant issues at Connectathon been dealt with?
    • not aware of any issues left from the Connectathons.
  • Gather feedback from implementers. Your domain secretary has access to the contact information for vendors that have tested your profile at previous Connectathons and can help coordinate reaching out.
    • No further feedback identified. Latest testing done in 2014 and 2017 Connectathons.
  • Has the Connectathon Project Manager been queried and significant issues addressed?
    • Yes

Technical Committee Consensus

  • It is proposed that the profile ...

Planning Committee Checklist

  • Has the profile been through a Connectathon in at least two regions?
  • No. North America only. RAD Tech discussed and decided that this is not a barrier to FT because it was fully tested in NA and we don't expect regional variations in implementations for this profile. 10+ years have passed and we don't expect additional testing.
  • Has the profile been successfully tested with all actors at least at one Connectathon?
  • Yes. NA Connectathon 2014
  • Have different implementations of each actor in the profile been tested?
  • Modality: Hitachi, 2 Philips Modalities
  • Image Display: GE
  • Image Manager: Karos, Dell, Tiani-Spirit
  • Have all the options been tested successfully at at least one Connectathon?
  • Profile does not define any options
  • Evaluation of options
  • N/A
  • Are there IHE-provided software testing tools to address all aspects of the profile?
  • No
  • Have the standards underlying the profile been implemented? In similar use cases? In healthcare? In general IT?
  • (Do you have concrete reason to believe that this works robustly in the Real World) / (Are any products available for purchase that implement the profile?)
  • Have all issues that may have been raised about the profile been resolved?
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