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Radiopaedia

Radiopaedia is a non-profit-making wiki-based international collaborative radiology educational web resource containing reference articles, radiology images, and patient cases. It also contains a radiology encyclopedia. It is currently one of the largest freely available radiology related resources in the world with more than 23,000 patient cases and over 9,600 collaborative articles on radiology-related topics, which are of varying quality. The open edit nature of articles allows radiologists and trainees to modify and refine most content through time.