Attaching PDF file as DICOM series under specific study - orthanc API

[Thanasis Iliopoulos]

Hi all!

I would like to use orthanc's API to:

a) dicomize a PDF file

b) upload dicomized PDF file to orthanc but attached as series under a specific study

I am not sure if this can be directly done using the process described here:

https://book.orthanc-server.com/users/advanced-rest.html#attaching-pdf-file-as-dicom-series

So, i want to dicomize and upload my pdf as a series, under patient's "32780" specific study with studyInstanceUID "1.2.840.113619.2.25.4.2147483647.1584958560.152":

I am trying to find the "correct" json data string to achieve that. I have tried the following:

# create the json data

1) $params = @{Tags = @{PatientID = "32780";Modality = "MR"};Content= "data:application/pdf;base64,$fileInBase64"}

2) $params = @{Tags = @{PatientID = "32780";StudyInstanceUID = "1.2.840.113619.2.25.4.2147483647.1584958560.152";Modality = "MR"};Content= "data:application/pdf;base64,$fileInBase64"}

3) $params = @{Tags = @{StudyInstanceUID = "1.2.840.113619.2.25.4.2147483647.1584958560.152";Modality = "MR"};Content= "data:application/pdf;base64,$fileInBase64"}

4) $params = @{Tags = @{PatientID = "32780"; StudyID = "14168"; Modality = "MR"};Content= "data:application/pdf;base64,$fileInBase64"}

but none of them seems to work. 

In cases (1), (4) the dicomized pdf is getting uploaded, under the patient with patientID = "32780" but as a "new" study (different studyInstanceUID)

In cases (2), (3) where i tried to use the studyInstanceUID to attach the dicomized PDF under the study "1.2.840.113619.2.25.4.2147483647.1584958560.152" i am getting:

Invoke-RestMethod : {

        "Details" : "StudyInstanceUID",

        "HttpError" : "Bad Request",

        "HttpStatus" : 400,

        "Message" : "Trying to override a value inherited from a parent module",

        "Method" : "POST",

        "OrthancError" : "Trying to override a value inherited from a parent module",

        "OrthancStatus" : 2020,

        "Uri" : "/tools/create-dicom"

}

At line:1 char:10

+ $reply = Invoke-RestMethod http://localhost:8042/tools/create-dicom - ...

+          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-RestMethod], WebException

    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeRestMethodCommand

So, is it possible to directly attach the dicomized pdf under specific patient & study in orthanc? If yes what am i missing on the JSON string?

Thanks!

[Thanasis Iliopoulos]

Hi again,

by searching a little bit more on the net (https://bitbucket.org/sjodogne/orthanc-tests/commits/cccf697a4e13da02cb7d0dd3dd3f69085f55756a) i found that I can attach the dicomized pdf (instance) under my study by using the "Parent" parameter in my JSON like:

$params = @{Tags = @{PatientID = "32780";Modality = "MR";SOPClassUID = "1.2.840.10008.5.1.4.1.1.104.1";SeriesDescription = "PDF report"};Content= "data:application/pdf;base64,$fileInBase64";Parent = "c00825de-2c6fc8ef-5a564ae5-b2fbb3db-12a54edf"}

Is there any resource or documentation listing all possible parameters of JSON string to be used with /tools/create-dicom?

Thanks!

Thanasis

[Alain Mazy]

Hi Thanasis,

Sorry, we're not that good at documenting the API.  Any contribution is welcome in that sense.

So right now, the best source of information is usually the code itself :-( or the integration-tests that are more readable since everything is in a single file:

https://hg.orthanc-server.com/orthanc-tests/file/tip/Tests/Tests.py   Just look for "/create-dicom"...

 

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[Thanasis Iliopoulos]

Hi Alain,

Thanks for your response!

Thanks a lot for the info!

I can understand that keeping up the docs with something constantly growing is challenging :) so no prob!

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[Stephen Douglas Scotti]

Very Helpful.  I was / am looking for the same functionality with PHP.  Have not tried that, but tried from the command line and that works:

e.g.

(echo -n '{"Tags" : {"Modality" : "OT", "SeriesDescription":"PDF REPORT"},"Content" : "data:application/pdf;base64,'; base64 "/Users/sscotti/Desktop/HL7_Messaging_v251_PDF/IP Copyright and Trademarks.pdf"; echo '", "Parent":"6efb3ff2-4cd16ca1-35cdb247-2d1c5f78-d6ba584e"}') > /tmp/foo

cat /tmp/foo | curl -H "Content-Type: application/json" -d @- http://localhost:8042/tools/create-dicom

where parent is the uuid for the study.

Should be easy to implement in PHP