Iris hypoplasia with glaucoma
Iris hypoplasia with glaucoma, also known as Iris hypoplasia and glaucoma or simply IHG is a very rare genetic disorder which is characterized by a combination of an underdeveloped of the iris and glaucoma. It has been described in three families; two from Russia[1] and one from London, U.K. It was mapped to a duplication of the q25 region of chromosome 6 through the London family.[2] Tooth agenesis can sometimes be associated with this disorder.[3]
| Iris hypoplasia with glaucoma | |
|---|---|
| Other names | Iris hypoplasia and glaucoma, IHG |
 | |
| Specialty | Medical genetics, Ophthalmology |
| Symptoms | ocular anomalies |
| Usual onset | Conception |
| Duration | Lifelong |
| Causes | Genetic mutation |
| Prevention | None |
| Prognosis | Medium |
| Frequency | Rare, although 3 families have been described, there could be more, since iris hypoplasia and accompanying glaucoma can't be as rare as 3 families out of 2 billion |
| Deaths | - |
References
- "OMIM Entry - 308500 - IRIS HYPOPLASIA WITH GLAUCOMA; IHG". omim.org. Retrieved 2022-06-13.
- Lehmann, O. J.; Ebenezer, N. D.; Jordan, T.; Fox, M.; Ocaka, L.; Payne, A.; Leroy, B. P.; Clark, B. J.; Hitchings, R. A.; Povey, S.; Khaw, P. T. (2000-11-01). "Chromosomal duplication involving the forkhead transcription factor gene FOXC1 causes iris hypoplasia and glaucoma". American Journal of Human Genetics. 67 (5): 1129–1135. doi:10.1016/S0002-9297(07)62943-7. ISSN 0002-9297. PMC 1288555. PMID 11007653.
- Kimura, Masashi; Tokita, Yoshihito; Machida, Junichiro; Shibata, Akio; Tatematsu, Tadashi; Tsurusaki, Yoshinori; Miyake, Noriko; Saitsu, Hirotomo; Miyachi, Hitoshi; Shimozato, Kazuo; Matsumoto, Naomichi (2014-07-31). "A novel PITX2 mutation causing iris hypoplasia". Human Genome Variation. 1 (1): 14005. doi:10.1038/hgv.2014.5. ISSN 2054-345X. PMC 4785520. PMID 27081499.
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