# pyoderma gangrenosum

> condition that causes tissue to become necrotic, causing deep ulcers that usually occur on the legs

**Wikidata**: [Q1526459](https://www.wikidata.org/wiki/Q1526459)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pyoderma_gangrenosum)  
**Source**: https://4ort.xyz/entity/pyoderma-gangrenosum


## References

1. Monarch Disease Ontology release 2018-06-29
2. Disease Ontology
3. Freebase Data Dumps. 2013
4. NDF-RT
5. Drug Indications Extracted from FAERS
6. BabelNet
7. [Identifiers.org](https://registry.identifiers.org/registry/doid)
8. Quora
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)