october 25, 2004ihe radiology connectathon webex 1 integrating the healthcare enterprise portable...

October 25, 2004 IHE Radiology Connectathon Webex

1

Integrating the Healthcare EnterpriseIntegrating the Healthcare Enterprise

Portable Data for Imaging - PDI

CDs that Work!

Cynthia Levy

Merge eFilm


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PDI – Actors and TransactionsPDI – Actors and Transactions

Portable MediaCreator

Print Composer

Report Reader

Image Display

Display

Distribute ImagingInformation on Media

Media Importer


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CDROM StructureCDROM Structure

DICOMDIR

INDEX.HTM

README.TXT

Directory of DICOM files

IHE_PDIDirectory of web files

Other optional content

Web content (optional)


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CDROM RulesCDROM RulesIHE_PDI web content corresponds exclusively to the DICOM content, although it need not represent the entire DICOM content.

Other content will not be placed in DICOM or IHE_PDI directories, but may be placed in other locations on the CDROM.

Do not assume that an application on the media will automatically be launched. IHE recommends that media readers not automatically run software on the media.

Web content use of XHTML and JPEG formats is restricted to ensure interoperability.

All DICOM file names are limited to 8 characters (no extensions). This is the Part 10 requirement.

All other file names are restricted to the ISO 9660 8.3 file name. E.g. “support_for_my_app.dll” would need to be “SUPPORT.DLL” or

some other 8.3 name.


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All PDI reading actorsAll PDI reading actors

Shall indicate to the user when they find DICOM instances that are not supported by the reader.

It is recommended that readers not automatically run software found on the media (for security reasons).


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PDI Importer (Reader) RulesPDI Importer (Reader) Rules

Portable Media Importer is required to have facilities to accommodate updating patient information to use values for the receiving enterprise, e.g. update patient ID.

Portable Media Importer shall be grouped with at least one of the following actors:

• Evidence Creator• Acquisition Modality• Image Manager/Image Archive• Report Creator• Report Manager• Report Repository


7

Common Issues - CD File Common Issues - CD File StructureStructure

Failure to write ISO 9660 Level 1 CDs. Media cannot be written using the Joliet file

system

Media cannot include Rock Ridge extensions


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Example of Invalid IHE PDI Example of Invalid IHE PDI File SystemFile System

isoinfo -l -d -i /home/smm/mesa_v/PDI/vendor-iso-images/myCompany.ISOCD-ROM is in ISO 9660 formatSystem id: Volume id: IHEVolume set id: Publisher id: Data preparer id: Application id: Copyright File id: Abstract File id: Bibliographic File id: Volume set size is: 1Volume set seqence number is: 1Logical block size is: 2048Volume size is: 222206Joliet with UCS level 3 foundNO Rock Ridge present

File System must be written without the use of the Joliet File System


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Common Issues - CD File Common Issues - CD File Naming ConventionsNaming Conventions

File naming conventions apply to all files on the CD including: DICOM File Names

Non-DICOM File Names

DICOM Viewer Application Name

The name of DLLs present on the CD


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Common Issue - DICOMDIR Common Issue - DICOMDIR RequirementsRequirements

DICOMDIR must be valid. Watch for wrong VR for attributes bad lengths in elements bad offset calculations in DICOMDIR

All DICOM Images must use EVRLE encoding. No Image Compression is permitted.


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Common Issues - Format of Common Issues - Format of readme.txt and index.htmreadme.txt and index.htm

Carefully follow the guidelines of the Technical Framework with regards to the README.TXT and INDEX.HTM files.

october 25, 2004ihe radiology connectathon webex 1 integrating the healthcare enterprise portable...

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