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Radiology Lexicon
Last uploaded:
December 1, 2025
| Acronym | RADLEX |
| Visibility | Public |
| Description | RadLex OWL, as downloaded from BioPortal, includes a set of puns in order to facilitate browsing and display. For the base RadLex ontology alone, without puns, and release notes for the latest version, please see http://radlex.org/ |
| Status | Production |
| Format | OWL |
| Contact | Radiological Society Of North America ([email protected]) |
| Creation date | December 1, 2025
|
| Deprecated |
false
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|
| Documentation |
https://docs.google.com/document/d/10zRIBkXyj1eLt3LS_A7w3gSGRedXXoYvucH6H4trCZY/edit?hl=en#
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|
| Homepage |
https://www.rsna.org/practice-tools/data-tools-and-standards/radlex-radiology-lexicon
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|
| Modification date | December 1, 2025
|
| Natural language |
German
English
|
| Object creation date property |
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
|
| Object modification date property |
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
|
| Root of obsolete branch |
http://radlex.org/RID/RID15849
http://radlex.org/RID/RID15849
|
| Submission date | December 1, 2025
|
| Version information |
4.3
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|
| uri |
http://radlex.org/RID/RadLex.owl
http://radlex.org/RID/RadLex.owl
|
| Version | Released | Uploaded | Downloads |
|---|---|---|---|
| 4.3 (Parsed, Indexed, Metrics, Annotator) | 12/01/2025 | 12/01/2025 | OWL | CSV | RDF/XML | Diff |
| 4.2 (Archived) | 11/25/2020 | 11/19/2024 | OWL | Diff |
| 4.1 (Archived) | 11/25/2020 | 11/20/2020 | OWL | Diff |
| 4.1 (Archived) | 03/20/2018 | 11/16/2020 | OWL |
| 4.0 (Archived) | 03/20/2018 | 01/14/2019 | OWL |
| 3.15 (Archived) | 03/20/2018 | 03/20/2018 | OWL | Diff |
| 3.14 (Archived) | 11/16/2016 | 11/16/2016 | OWL | Diff |
| 3.13.1 (Archived) | 11/18/2015 | 11/18/2015 | OWL | Diff |
| 3.13 (Archived) | 11/03/2015 | 11/17/2015 | OWL | Diff |
| 3.13 (Archived) | 11/03/2015 | 11/13/2015 | OWL |
| 3.21 (Archived) | 11/03/2015 | 11/05/2015 | OWL |
| 3.2 (Archived) | 11/03/2015 | 11/03/2015 | OWL |
| 3.12 (Archived) | 11/24/2014 | 11/24/2014 | OWL | Diff |
| 3.11 (Archived) | 02/19/2014 | 02/19/2014 | OWL | Diff |
| 3.11 (Archived) | 02/12/2014 | 02/12/2014 | OWL | Diff |
| 3.10 (Archived) | 10/24/2013 | 10/24/2013 | OWL | Diff |
| 3.9.1 From OWL (Archived) | 09/16/2013 | 10/04/2013 | OWL |
| 3.9.1 (Archived) | 09/16/2013 | 09/16/2013 | OWL |
| 3.9.1 (Archived) | 07/31/2013 | 09/16/2013 | PROTEGE |
| 3.9.1 (Archived) | 07/31/2013 | 07/30/2013 | PROTEGE |
| 3.9 (Archived) | 06/25/2013 | 06/26/2013 | PROTEGE |
| 3.9 (Archived) | 06/25/2013 | 06/25/2013 | PROTEGE |
| 3.8 (Archived) | 02/19/2013 | 02/19/2013 | PROTEGE |
| 3.7 (Archived) | 10/19/2012 | 10/19/2012 | PROTEGE |
| 3.6 (Archived) | 10/07/2011 | 05/14/2012 | PROTEGE |
| 3.5 (Archived) | 10/07/2011 | 10/07/2011 | PROTEGE |
| 3.5 (Archived) | 10/07/2011 | 10/07/2011 | PROTEGE |
| 3.4 (Archived) | 04/25/2011 | 04/25/2011 | PROTEGE |
| 3.3.3 (Archived) | 01/14/2011 | 01/14/2011 | PROTEGE |
| 3.3.2 (Archived) | 12/16/2010 | 12/16/2010 | PROTEGE |
| 3.3.1 (Archived) | 11/23/2010 | 11/23/2010 | PROTEGE |
| 3.3 (Archived) | 11/11/2010 | 11/11/2010 | PROTEGE |
| 3.2.1 (Archived) | 10/06/2010 | 10/06/2010 | PROTEGE |
| 3.2 (Archived) | 08/17/2010 | 08/17/2010 | PROTEGE |
| 3.1.1 (Archived) | 05/14/2010 | 05/14/2010 | PROTEGE |
| 3.1 (Archived) | 03/17/2010 | 03/17/2010 | PROTEGE |
| 3.0.3 (Archived) | 02/02/2010 | 02/02/2010 | PROTEGE |
| 3.0.2 (Archived) | 01/07/2009 | 01/12/2010 | PROTEGE |
| 3.0.1 (Archived) | 11/19/2009 | 11/19/2009 | PROTEGE |
| 3 (Archived) | 07/25/2009 | 09/14/2009 | PROTEGE |
| 3.1.2 (Archived) | 07/25/2009 | 08/05/2009 | PROTEGE |
| 2 (Archived) | 12/04/2007 | 05/19/2009 | PROTEGE |
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- RadLex in OWL
- An OWL representation of the RadLex ontology, following the transformation described at http://www.bioontology.org/wiki/index.php/FMAInOwl
| Classes | 46,900 |
| Individuals | 24,092 |
| Properties | 52 |
| Maximum depth | 20 |
| Maximum number of children | 784 |
| Average number of children | 3 |
| Classes with a single child | 704 |
| Classes with more than 25 children | 96 |
| Classes with no definition | 43,060 |