HHH.3.3.4 Metadata (XML Without Pixel Data, Waveform Data, etc.) Requester
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#### HHH.3.3.4 Metadata (XML Without Pixel Data, Waveform Data, etc.) Requester

1. The requesting system: application capable of making Web Service requests. The requesting System is not capable of decoding DICOM PS3.10 formats. The system is capable of processing metadata that describes the image, provided that the metadata is encoded in an XML format. The system can be programmed based upon the DICOM definitions for XML encoding and attribute meanings.

2. Reference information may come in a wide variety of forms. It is expected to include at least the Study UID, Series UID, and Individual SOP instance information. This may be encoded as part of an HL7 reference within a CDA document, a DICOM SOP Instance reference, or other formats.

3. Request information

   1. Requested Data set

      1. Study UID

      2. List of Series UID

      3. List of SOP Instance UIDs

   2. Desired format and subset information

      1. XPath definition for subset or total metadata selection

      2. What should be done when SOP classes vary and a subset is requested? The XPath will fail.

      3. Frame selection for subsets of multi-frame objects

      4. Anonymize or not.

      5. Response information

4. Response information

   1. XML encoded metadata.

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