is a free educational radiology resource with one of the web's largest collections of radiology cases and reference articles.

Case of the Day

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Proximal tibia stress fracture

Contributed by Dr Bruno Di Muzio

The imaging features are those of a subacute stress fracture of the proximal tibia. 

What is

Radiopaedia is a rapidly growing open-edit educational radiology resource which has been primarily compiled by radiologists and radiology trainees from across the world. Our mission is to create the best radiology reference, and to make it available for free, forever... read more.

Contributing community brings together like-minded individuals who collaborate on content as well as on other projects. As a global initiative, we encourage collaboration from all corners to advance the entire community's medical knowledge-access to knowledge critical to the accurate diagnosis and health management of people in all countries should not be limited by wealth or geographical boundaries. 

Your first edit

You can update (and write) articles on If you see a typo or missing link to an existing article, it's easy to make an edit as soon as you see it. The style guide and help page have a couple of quick “how to” videos and links to help you take the first steps.


Exceptional cases and up-to-date articles are vital for Please consider helping by uploading your cases. There is no better way to show your appreciation for the site than by making it even more informative. Add cases by following the case publishing guidelines.


Articles are collaborative efforts to provide a single canonical page on any and all topics relevant to the practice of radiology. Every edit counts, so don't hesitate to jump in and share what you know. Learn more about contributing to our article about articles.


Create and share playlists to help advance medical information around the globe. Curate focused playlists on specific topics for presentations to help other medical professionals teach radiology, or formulate quiz playlists to support medical students in their education.

Editorial standards

The accuracy of content is overseen by a dedicated group of volunteer editors. The open credentials and desire to create a free world-class resource hinges on collaboration and coordination. Our editors constantly review additions and changes to articles and cases, something that is facilitated by being spread around the globe through a variety of time zones.

Our editors also draw upon the knowledge of our expert advisers. Our expert advisers are known to not only be experts in their field and educators but to also support the radiology free open access medical education movement (#FOAMrad).

How to get involved

If you are new to or interested in contributing or collaborating for the first time, see where your help or expertise may be most needed . If you just want to see how editing works - do have a play in our "sandbox" page.


A Supporter is someone who values what we are trying to accomplish, and is willing to help with small periodic financial contributions to help build:

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If you believe in's mission to create the best possible radiology reference and teaching site and make it available to everyone, forever, for free, become a Supporter.


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