Radiopaedia has one of the largest collections of curated radiology cases the world has ever seen. Maybe the largest.
We want to make it easy for you to use these cases when you study and teach others. We believe that will make better doctors and improve health outcomes for generations of patients in every country on earth.
Our contributors have not put in all this effort to support your money-making venture. To strike a balance, we make all our cases available under a Creative Commons Non-Commercial Attribution, Sharealike license (currently CC-NC-BY-SA 3.0).
Our Terms of Use contain all the legal details about how images and text are contributed and how they are licensed. This is the single source of truth. This page does not replace the full licence nor the modifications outlined in our Terms of Use, but it should help you understand how you can and can't use content on Radiopaedia.
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Permitted use
You can use Radiopaedia images as long as you:
- attribute the work appropriately
- re-license it under the same license, and
- do not use the work commercially
Make sure your attribution is included for every case and/or article.
More info: How to attribute content
Examples
Here are some examples of how images can and cannot be used without needing permission and/or obtaining a license.
How to attribute content
Attributing content correctly is not only required as part of our terms of use but is good practice regardless of the source of an image. It ensures transparency and appropriate credit to creators and makes it easy for you to find the content in the future.
Attribution for images
Please include both the name of the contributing user, Radiopaedia.org, and the radiopaedia identification number (rID).
If you are using the work online, you must include clickable links to both Radiopaedia.or and the rID.
If appropriate, you can also include the full citation at the end of your content. Citations are found at the top of every content page in the expandable `Citation, DOI, disclosures and data` section.
Attribution of text
Although you can attribute text the same way as you attribute cases, in most cases, it is best to use the full citation, and if online, then it too should include a link.
Citations are found at the top of every content page in the expandable `Citation, DOI, disclosures and data` section.
Obtaining a license
If you know you need a license or are unsure if you do, please write to [email protected] and give us details of your intended use. Please include the following:
- Who you are
- What you are planning to do that will include Radiopaedia content
- Include a description of any commercial aspects
- restricted access (e.g. paywall, subscription, registration, purchase etc...)
- other monetisation (e.g. ad-supported)
- whether you personally benefit from these commercial activities
- What content you are seeking to use
- URL of the case(s) or article(s) is best
- if seeking an as-yet-to-be-determined bulk request, then indicate number for cases/articles
What happens next
Your request will be reviewed, and you will receive one of the following responses:
- More information required
- Approval to use content free of charge with no further steps required
- Approval to use content pending author approval, license deed preparation and payment of licensing fees
- Denial or request (this is uncommon)
Licensing fees
Why we charge fees
We receive thousands of requests every year. The vast majority are emailing to confirm that use is ok, and we simply approve them. That still takes time, and we must hire staff to process all of these requests. The minority of requests that do require additional licensing steps involve asking contributors for permission and documentation. Again, this takes time.
The fees we charge offset these costs and contribute to the further development of Radiopaedia.
How much?
This varies greatly depending on the intended use, the effort required to approve the request and the number of cases/articles that need to be licensed. Please write to [email protected] with the details of your desired use (see above), and we will give you a quote.
Using your own images
By contributing images to Radiopaedia you are not changing the ownership of any intellectual property that exists, you are merely making the images available under the aforementioned license with the modifications to the license outlined in the Radiopaedia Terms of Use.
As the contributor, you can, therefore, do everything you could normally do with the images you have contributed. There is no need to reference Radiopaedia if you don't want to. You don't need to ask us to grant permission to a third party to use the images in a textbook or other commercial project.
You can also control how involved you are with license requests we receive in your account settings.
How to download images
Individual images can be downloaded through the browser using the download from cloud icon in the viewer toolbar.
At present, we do not have a way to automate downloading a large number of complete cases. We do not have an API for downloading cases.
Datasets for machine learning
We receive many queries regarding using Radiopaedia content for machine learning or other artificial intelligence applications, and this is consuming increasing administrative resources.
We generally approve requests for non-commercial projects. However, this requires an application and payment of a non-refundable application fee ($250 USD).
All the terms and conditions are included in the application form below.
Please review our examples above carefully and read the entire application and conditions before paying the fee, as it is non-refundable regardless of whether your application is accepted, declined or withdrawn.
Please do not write to us first to check if your intended application will be approved. That is what the application process is for.