{{short description|Collaborative wiki-based educational reference for the field of radiology}} {{Infobox website | logo = Radiopaedia org logo small.jpg | screenshot = | caption = | url = http://radiopaedia.org/ | commercial = Yes | type = Wiki | registration = Optional (required to edit) | language = English | owner = Radiopaedia Australia Pty Ltd | revenue = | name = Radiopaedia | editor = Associate Professor Frank Gaillard | launch_date = December 2005 | current_status = 16,719 articles with 56,720 cases (as of December 2023) | website = }}
'''Radiopaedia''' is a wiki-based international collaborative educational web resource containing a radiology encyclopedia and imaging case repository.<ref name="site">{{Cite web|url=https://radiopaedia.org/|title=Radiopaedia.org, the wiki-based collaborative Radiology resource|website=Radiopaedia.org|access-date=26 April 2022}}</ref> It is currently the largest freely available radiology related resource in the world with more than 60,000 patient cases and over 16,000 reference articles on radiology-related topics. The open edit nature of articles allows radiologists, radiology trainees, radiographers, sonographers, and other healthcare professionals interested in medical imaging to refine most content over time. An editorial board peer reviews all contributions.<ref name="overview">{{cite web |url=https://radiopaedia.org/articles/general-overview-of-radiopaediaorg?lang=us |title=General overview of Radiopaedia.org |website=Radiopaedia.org|access-date=2021-01-01}}</ref>
==Background== Radiopaedia was started as a past-time project to store radiology notes and cases online by the Australian neuroradiologist Associate Professor Frank Gaillard in December 2005, while he was a radiology resident.<ref name="radiopedia 2022">{{cite web |title=Frank Gaillard |url=https://radiopaedia.org/users/frank |publisher=Radiopedia.org |access-date=2 August 2022 |archive-url=https://web.archive.org/web/20220122221940/https://radiopaedia.org/users/frank |archive-date=22 January 2022}}</ref><ref name="osmosis 2014">{{cite web |title=Leaders in Medical Education - Dr. Frank Gaillard, Radiopaedia |url=https://www.osmosis.org/blog/2014/07/09/leaders-in-medical-education-dr-frank-gaillard-radiopaedia |publisher=Osmosis.org |access-date=2 August 2022 |archive-url=https://archive.today/20220802154836/https://www.osmosis.org/blog/2014/07/09/leaders-in-medical-education-dr-frank-gaillard-radiopaedia |archive-date=2 August 2022}}</ref> Galliard previously had tried to print out films but they were bulky to carry. He also experimented with saving digital images on thumb drive or hard drives but found that it was difficult to keep track on them.<ref>{{cite web |last1=Florance |first1=Loretta |title=Amazing radiology images: How sharing them is changing medicine |url=https://www.abc.net.au/news/2015-01-30/amazing-radiology-images-how-sharing-them-is-changing-medicine/6053740 |publisher=Australian Broadcasting Corporation |access-date=8 March 2025 |archive-url=https://web.archive.org/web/20150131021117/https://www.abc.net.au/news/2015-01-30/amazing-radiology-images-how-sharing-them-is-changing-medicine/6053740 |archive-date=31 January 2015}}</ref> Galliard built a Linux server to host the site.<ref name="doctopreneurs">{{cite web |title=Professor Frank Gaillard, Founder and Editor in Chief of Radiopedia.org |url=https://doctorpreneurs.com/professor-frank-gaillard-founder-editor-chief-radiopedia-org/ |publisher=doctorpreneurs |access-date=20 June 2024 |archive-url=https://web.archive.org/web/20200225160858/https://doctorpreneurs.com/professor-frank-gaillard-founder-editor-chief-radiopedia-org/ |archive-date=25 February 2020}}</ref> He then programmed the site using MediaWiki, the same program platform as Wikipedia.<ref name="radiopedia Jeremy">{{Cite web|url=https://radiopaedia.org/articles/editor-in-chief-1|title=Editor-in-chief | Radiology Reference Article | Radiopaedia.org|first=Jeremy|last=Jones|website=Radiopaedia.org|access-date=26 April 2022}}</ref>
Galliard decided to release it on the web, advocating free dissemination of knowledge.<ref name="radiopedia 2022"/><ref name="osmosis 2014"/> The domain name for radiopaedia.org was registered on 11 January 2007.<ref>{{cite news |title=Radiopedia.org domain name information |url=https://who.is/whois/radiopaedia.org |access-date=22 July 2022 |publisher=whois |date=22 July 2022 |archive-url=https://web.archive.org/web/20120312161754/https://who.is/whois/radiopaedia.org |archive-date=12 March 2012}}</ref> Galliard initially allowed the site to be freely editable by anyone. Together with Maryanne McHugh from Toshiba Australia, Galliard funded the bandwidth of the website.<ref name="doctopreneurs"/>
The Radiopaedia.org platform and text content are owned by Radiopaedia Australia Pty Ltd, a privately held company for which Gaillard is the chief executive officer.<ref name="terms">{{cite web|url=https://radiopaedia.org/terms?lang=us|title=Terms of Use|website=Radiopaedia.org|access-date=2021-01-01}}</ref> One of its investors is Investling and its revenue derives from ads, courses, and paid supporters.<ref>{{cite web|url=http://investling.com/|title=Our Businesses|website=Investling.com|access-date=2018-04-05}}</ref><ref name="support">{{cite web|url=https://radiopaedia.org/supporters?system=all|title=Become a Supporter|website=Radiopaedia.org}}</ref> For image content, contributors reserve some rights and license the content to Radiopaedia and its users under a Creative Commons license.<ref name="terms" />
In 2010, almost all of the article and image collection from radswiki (a similar wiki-based radiology educational site) was donated to Radiopaedia.<ref>{{Cite web|url=https://radiopaedia.org/radswikinet-1?lang=gb|title=Radswiki.net|website=Radiopaedia.org|access-date=26 April 2022}}</ref>
==Purpose== Radiopaedia’s mission is "to create the best radiology reference the world has ever seen and to make it available for free, for ever, for all."<ref>{{Cite web|url=https://radiopaedia.org/about?lang=gb|title=About Radiopaedia.org |website=Radiopaedia.org|access-date=26 April 2022}}</ref> Its intention is to benefit the radiology community and wider society and it relies on benevolent collaborations from radiologists and others with an interest in medical imaging. Most of the content is shared under a Creative Commons non-commercial license.<ref name=site/>
Similarly to Wikipedia, registered users of the site are allowed to freely add and edit the majority of the content. This allows content to be progressively upgraded over years and for radiologists and society, in general, to continuously refine article content through time. The site also allows registered users to maintain their own personal case library of teaching cases.<ref>{{Cite web|url=https://radiopaedia.org/articles/cases-3?lang=gb|title=Cases | Radiology Reference Article | Radiopaedia.org|first=Jeremy|last=Jones|website=Radiopaedia.org|access-date=26 April 2022}}</ref> Rather than individually publishing articles, users are encouraged to integrate content with links to cases and journal articles and collaboratively refine content.<ref>{{Cite web|url=https://radiopaedia.org/articles/articles-2?lang=gb|title=Articles | Radiology Reference Article | Radiopaedia.org|first=Frank|last=Gaillard|website=Radiopaedia.org|access-date=26 April 2022}}</ref> In an attempt to reduce vandalism and to peer-review content, an editorial board moderates changes to ensure that the presented material is as accurate and relevant as possible.<ref name="editorial-team">{{Cite web|url=https://radiopaedia.org/articles/editorial-team?lang=gb|title=Editorial team | Radiology Reference Article | Radiopaedia.org|first=Jeremy|last=Jones|website=Radiopaedia.org|access-date=26 April 2022}}</ref>
A survey done in 2020 shows that 90% of on-call radiology trainees in the United States are using Radiopedia and StatDx as the first and second line options to help them during their work.<ref name="pmid33992883">{{cite journal |vauthors=Derakhshani A, Ding J, Vijayasarathi A |title=On-call radiology 2020: Where trainees look for help in a high stakes and time sensitive environment |journal=Clinical Imaging |volume=77 |issue= |pages=219–223 |date=September 2021 |pmid=33992883 |doi=10.1016/j.clinimag.2021.05.003 |url=}}</ref> Educational benefit was also demonstrated when integrating Radiopedia-based training in medical curriculum.<ref>{{cite journal |last1=Röhrich |first1=S |last2=Heidinger |first2=BH |last3=Prayer |first3=F |title=Impact of a content-based image retrieval system on the interpretation of chest CTs of patients with diffuse parenchymal lung disease |journal=European Radiology |date=2 July 2022 |volume=33 |issue=1 |pages=360–367 |doi=10.1007/s00330-022-08973-3 |pmid=35779087|doi-access=free |pmc=9755072 }}</ref>
==Subsites== Radiopaedia also maintains several subsites, including: *Radiology Signs - a tumblr feed with selected signs *Radiology Channel - a YouTube channel containing educational videos
==Editorial team== The editorial team develop as well as help users to maintain the high-quality content of the website.<ref name="editorial-team"/>
The current editorial board (2024) is composed of individuals from a variety of countries and includes:<ref>{{cite web |title=Board of editors |url=https://radiopaedia.org/editors |publisher=Radiopedia |access-date=22 July 2022 |archive-url=https://web.archive.org/web/20220318002452/https://radiopaedia.org/editors |archive-date=18 March 2022}}</ref>
Editor-in-chief * Henry Knipe
Academic director * Andrew Dixon
Community director * Jeremy Jones
Founder * Frank Gaillard
Managing editors * Andrew Murphy * Joachim Feger * Vikas Shah
==iOS apps==
In 2009, the first Radiopaedia iOS app series was released in two volumes. These apps packaged cases and articles for users to review and have sample questions and answers.<ref>{{cite news |title=Radiopaedia iPad app is great learning tool for radiologists and other imaging-based specialists |url=https://www.imedicalapps.com/2010/09/radiopaedia-ipad-app-is-great-learning-tool-for-radiologists-and-other-imaging-based-specialists/ |access-date=1 May 2024 |publisher=iMedicalApps |date=22 September 2010 |archive-url=https://web.archive.org/web/20101009204355/https://www.imedicalapps.com/2010/09/radiopaedia-ipad-app-is-great-learning-tool-for-radiologists-and-other-imaging-based-specialists/ |archive-date=9 October 2010}}</ref><ref>{{cite web|url=http://radiologygeek.wordpress.com/2010/02/20/10-radiology-iphone-apps-part-1-msk-radiopaedia-tf/|title=Radiopaedia MSK iPhone app « A radiology geek's blog|url-status=dead|archive-url=https://web.archive.org/web/20100308002444/http://radiologygeek.wordpress.com/2010/02/20/10-radiology-iphone-apps-part-1-msk-radiopaedia-tf/|archive-date=2010-03-08}}</ref> More volumes were released subsequently.<ref>{{cite web |title=App Guide - iPhone Apps matching radiopedia |url=http://www.macworld.com/appguide/search.html?sort=search&search=radiopaedia |publisher=MacWorld |access-date=1 May 2024 |archive-url=https://web.archive.org/web/20110610172507/http://www.macworld.com/appguide/search.html?sort=search&search=radiopaedia |archive-date=10 June 2011}}</ref>
All the iOS apps were discontinued after March 2018. Instead, cases in the iOS apps exist in the form of "iOS case packs" playlists on the website.<ref>{{cite web |title=Goodbye iOS app |url=https://radiopaedia.org/blog/goodbye-ios-app |publisher=Radiopedia blog |access-date=1 May 2024 |archive-url=https://web.archive.org/web/20230603055228/https://radiopaedia.org/blog/goodbye-ios-app |archive-date=3 June 2023}}</ref>
==References== {{reflist}}
Category:Encyclopedias of medicine Category:Medical websites Category:Internet properties established in 2005 Category:2005 establishments in Australia