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devel / comp.protocols.dicom / new UID registration

new UID registration

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Subject: new UID registration
From: theodora.sarver@veeva.com (Theodora Sarver)
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by: Theodora Sarver - Wed, 12 Apr 2023 21:02 UTC

Hi everybody,

My company is developing an image uploader with anonymization and pseudo-anonymization capability. Do we need to register for a UID and produce our own unique study, site and SOP instance UIDs, or is it ok to keep the IDs that originated at the site?

Thank you
Theodora

Re: new UID registration

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Subject: Re: new UID registration
From: dclunie@dclunie.com (David Clunie)
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by: David Clunie - Thu, 13 Apr 2023 01:09 UTC

Hi Theodora

These are separate questions:

1. Do I need to replace the UIDs during de-identification - the short answer is usually yes per PS3.15 Annex E [1], but see also [2].

2. Do I need an org root to generate new UIDs - short answer is no, not if you use UIID generated ones [3][4].

See also discussion of other important issues when replacing UIDs in the MIDI report [5].

Don't forget to sign up for our upcoming de-identification workshop [6].

David

1. https://dicom.nema.org/medical/dicom/current/output/chtml/part15/chapter_E.html
2. https://dicom.nema.org/medical/dicom/current/output/chtml/part15/sect_E.3.9.html
3. https://www.dclunie.com/medical-image-faq/html/part8.html#UIDRegistration
4. https://dicom.nema.org/medical/dicom/current/output/chtml/part05/sect_B.2.html
5. https://arxiv.org/abs/2303.10473
6. https://events.cancer.gov/nci/midi-workshop

On Wednesday, April 12, 2023 at 5:02:47 PM UTC-4, Theodora Sarver wrote:
> Hi everybody,
>
> My company is developing an image uploader with anonymization and pseudo-anonymization capability. Do we need to register for a UID and produce our own unique study, site and SOP instance UIDs, or is it ok to keep the IDs that originated at the site?
>
> Thank you
> Theodora

Re: new UID registration

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Subject: Re: new UID registration
From: theodora.sarver@veeva.com (Theodora Sarver)
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by: Theodora Sarver - Thu, 13 Apr 2023 12:47 UTC

On Wednesday, April 12, 2023 at 9:09:08 PM UTC-4, David Clunie wrote:
> Hi Theodora
>
> These are separate questions:
>
> 1. Do I need to replace the UIDs during de-identification - the short answer is usually yes per PS3.15 Annex E [1], but see also [2].
>
> 2. Do I need an org root to generate new UIDs - short answer is no, not if you use UIID generated ones [3][4].
>
> See also discussion of other important issues when replacing UIDs in the MIDI report [5].
>
> Don't forget to sign up for our upcoming de-identification workshop [6].
>
> David
>
> 1. https://dicom.nema.org/medical/dicom/current/output/chtml/part15/chapter_E.html
> 2. https://dicom.nema.org/medical/dicom/current/output/chtml/part15/sect_E.3.9.html
> 3. https://www.dclunie.com/medical-image-faq/html/part8.html#UIDRegistration
> 4. https://dicom.nema.org/medical/dicom/current/output/chtml/part05/sect_B.2.html
> 5. https://arxiv.org/abs/2303.10473
> 6. https://events.cancer.gov/nci/midi-workshop
> On Wednesday, April 12, 2023 at 5:02:47 PM UTC-4, Theodora Sarver wrote:
> > Hi everybody,
> >
> > My company is developing an image uploader with anonymization and pseudo-anonymization capability. Do we need to register for a UID and produce our own unique study, site and SOP instance UIDs, or is it ok to keep the IDs that originated at the site?
> >
> > Thank you
> > Theodora

Hi David,

Thank you so much for the prompt response and information.

We are planning on using dcm4che as part of our implementation. From what I can see, they are generating their own UIDs using the UUID method.

Based on my understanding of the materials you provided, using that utility should suffice and we wouldn't have to generate our own UUIDs. Is my understanding correct?

Thank you
Theodora

Subject	Author
new UID registration	Theodora Sarver
Re: new UID registration	David Clunie
Re: new UID registration	Theodora Sarver