is an extensive, open-edit radiology resource, compiled by radiologists and radiology residents/registrars and fellows from across the globe. It was started in 2005 by Australian neuroradiologist, Associate Professor Frank Gaillard and has since become a worldwide collaboration.

It is the largest freely available radiology related resource in the world with more than 25,500 patient cases and over 10,300 collaborative articles on radiology-related topics.

This world-class site forms an essential learning resource and is indispensable for medical professionals internationally. It is particularly key for sharing valuable information with developing nations, who face limited resources and skilled support. By pooling collective knowledge and experience, Radiopaedia is making a real difference in patient imaging and diagnoses around the world.

An integral part of is collaboration. Articles are written and edited by many users over a period of time resulting in something far more valuable than any individual could achieve on their own. makes the following components available for free on its website:

  1. Articles: collaborative efforts to provide a single atomic page on any and all topics relevant to the practice of radiology.
  2. Cases: pages that present a case to the community - these belong to the contributing user although they can be viewed by the community and added to articles, tutorials or quizzes.

Also offered are video-on-demand courses for a modest fee as well as live courses that can be attended in person.

Moving to reinteractive:

Radiopaedia needed a new hosting/operations provider after their existing provider stopped servicing third party applications following a merger. The founder and CEO of Radiopaedia, Assoc. Prof. Frank Gaillard, looked at several options.

He found reinteractive attractive because of its Australian-based operations, which were advantageous for ease of communication and operational time zones. Also high on the list was the ability to protect the intellectual assets and code, which Australian legislation provides.

Assoc. Prof. Gaillard felt that the values reinteractive worked towards were best aligned with Radiopaedia’s own goals. From an operations point of view, the set-up of reinteractive’s stack was ideal and recommended by his former hosting/ops provider.

“I’ve been really impressed with the OpsCare service reinteractive has offered to date, particularly in regard to the recent cutover from our previous supplier.

“There seems to be excellent technical knowledge of both Ruby apps and of how it integrates with AWS services.

“Seeing the results of load testing, the subsequent tweaks to the server setup resulted in a painless cutover. We had a few hiccups, but the end result was that when we actually pulled the switch, it all went very smoothly. There was far less interruptions to service or downtime than I was expecting.“

– Assoc. Prof. Frank Gaillard,
Founder and CEO of Radiopaedia

OpsCare Service:

Radiopaedia signed up for reinteractive’s OpsCare® service for the peace of mind in knowing that their site was always up and functional. This 24/7 ongoing hosting and maintenance package ensures applications are fully supported, monitored and maintained on the server side. The client still maintains full access to the code base.

All critical security patches are applied to the application’s infrastructure by the OpsCare team, saving clients the worry of keeping up-to-date on the latest security threats.

The OpsCare team is located in three different time-zones around the world providing complete follow-the-sun support to make sure the application is always available.

OpsCare monitors the uptime of an application using popular industry monitoring tools including Pingdom, CloudWatch and VictorOps. If a site goes down, our team is immediately notified. Our goal is for our team to be notified of a fault - and fix it - before it becomes the client’s problem.

We also monitor the load on individual parts of the infrastructure; such as the load balancers, servers and database. Included in this are load times, speed of database operations and other performance areas. Skylight is used to monitor an application’s performance and, as above, we receive alerts if there are any unexpected load increases.

Additional, we take hourly snapshots of the database which allows it to be rolled back to an earlier state, should the need arise.

A daily complete database backup, which is kept for 90 days and stored in an “offsite” AWS S3 bucket, is also available if required.

Finally, all set up is done through infrastructure as code, allowing us to offer rapid disaster recovery including a complete rebuild on demand.

“The support from the operations people at reinteractive has been outstanding and they have been a pleasure to work with.

“I would have no hesitation in recommending reinteractive for the standard Ops and CodeCare packages.”

– Assoc. Prof. Frank Gaillard,
Founder and CEO of Radiopaedia

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