# Radiology Lexicon (RADLEX)

> RadLex OWL, as downloaded from BioPortal, includes a set of puns in order to facilitate browsing...

- Page: https://library.schematica.io/model/74a05d972696411e87a36601c8bc50b5
- Model type: Ontology
- License: UMLS
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/RADLEX
- Contact: Radiological Society of North America (radlex-feedback@lists.rsna.org)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | RADLEX |
| 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/ |
| Format | OWL |
| Categories |  |
| Groups | Cancer Biomedical Informatics Grid |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 46,840 |
| Individuals | 24,091 |
| Properties | 52 |
| Max Depth | 20 |
| Max Child Count | 783 |
| Average Child Count | 3 |
| Classes With One Child | 700 |
| Classes With More Than 25 Children | 95 |
| Classes With No Definition | 43,036 |

## Projects using RADLEX

- [Radiology Gamuts Ontology](https://bioportal.bioontology.org/projects/RGO)
- [ARRS GoldMiner](https://bioportal.bioontology.org/projects/ARRS_GoldMiner)
- [AdaptEHR](https://bioportal.bioontology.org/projects/AdaptEHR)
- [Retrospective Analytics System](https://bioportal.bioontology.org/projects/RAS)
- [SKELETOME](https://bioportal.bioontology.org/projects/SKELETOME)
- [Virtual Imaging Platform project](https://bioportal.bioontology.org/projects/VIPP)
- [Neural ElectroMagnetic Ontologies](https://bioportal.bioontology.org/projects/NEMO)
- [Mobile RadLex](https://bioportal.bioontology.org/projects/Mobile_RadLex)
- [Radiology Quiz](https://bioportal.bioontology.org/projects/Radiology_Quiz)

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Source: https://library.schematica.io/model/74a05d972696411e87a36601c8bc50b5