# cholesteatoma

> keratosis characterized by keratinizing squamous epithelium located in middle ear and/or mastoid, subepithelial connective tissue and by the progressive accumulation of keratin debris with or without surrounding inflammatory reaction

**Wikidata**: [Q558230](https://www.wikidata.org/wiki/Q558230)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cholesteatoma)  
**Source**: https://4ort.xyz/entity/cholesteatoma


## References

1. Integrated Authority File
2. Monarch Disease Ontology release 2018-06-29
3. Disease Ontology
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. Mastoidectomy
7. [Source](http://www.patient.co.uk/patientplus/c.htm)
8. Updates and knowledge gaps in cholesteatoma research
9. [Identifiers.org](https://registry.identifiers.org/registry/doid)
10. Human Phenotype Ontology release 2018-03-08
11. Great Norwegian Encyclopedia
12. National Library of Israel
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)