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Choroidal atrophy - alopecia is a very rare ectodermal dysplasia syndrome, characterized by the association of choroidal atrophy (sometimes regional), together with other ectodermal dysplasia features including fine and sparse hair, absent or decreased lashes and eyebrows, and possibly mild visual loss and dysplastic/thick/grooved nails.
Features include very common findings: Visual impairment, Ectodermal dysplasia, Abnormal fingernail morphology, and Fine hair and others; and sometimes findings: Supernumerary nipple, Finger syndactyly, Patchy atrophy of the retinal pigment epithelium, and Ridged fingernail and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Arms and legs | 4 | Abnormal fingernail morphology, Abnormal toenail morphology, Finger syndactyly |
Phenotype severity distribution: 9 very common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for choroidal atrophy-alopecia syndrome.
216 publications have been identified in PubMed for choroidal atrophy-alopecia syndrome. Kisho has analyzed 37 by research type. Research spans Review / Meta-Analysis (54%), Basic Science / Preclinical (27%), and Case Report / Case Series (8%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 20 | 54% |
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 3:01 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Eyes | 3 | Visual impairment, Abnormality of retinal pigmentation, Patchy atrophy of the retinal pigment epithelium |
Muscles | 1 | Patchy atrophy of the retinal pigment epithelium |
Skin | 1 | Bifid nail |
Laboratory research |
10 |
27% |
Patient case studies | 3 | 8% |
Disease patterns and progression | 3 | 8% |
New treatment approaches | 1 | 3% |
Lui F (2026). [PMID: 29262144](https://pubmed.ncbi.nlm.nih.gov/29262144/). *Unknown Journal*. [Basic Science / Preclinical]
Gong Y (2026). [PMID: 41690354](https://pubmed.ncbi.nlm.nih.gov/41690354/). *Photodiagnosis Photodyn Ther*. [Review / Meta-Analysis]
Gowda SN (2026). [PMID: 32809731](https://pubmed.ncbi.nlm.nih.gov/32809731/). *Unknown Journal*. [Basic Science / Preclinical]
Seo D (2025). [PMID: 41298414](https://pubmed.ncbi.nlm.nih.gov/41298414/). *Nat Commun*. [Basic Science / Preclinical]
Tenembaum S (2025). [PMID: 40145196](https://pubmed.ncbi.nlm.nih.gov/40145196/). *Curr Opin Neurol*. [Review / Meta-Analysis]
Disse SC (2025). [PMID: 39986237](https://pubmed.ncbi.nlm.nih.gov/39986237/). *Eur J Paediatr Neurol*. [Epidemiology / Natural History]
Sato J (2025). [PMID: 40144311](https://pubmed.ncbi.nlm.nih.gov/40144311/). *Am J Ophthalmol Case Rep*. [Case Report / Case Series]
Herbort CP Jr (2025). [PMID: 40047826](https://pubmed.ncbi.nlm.nih.gov/40047826/). *J Ophthalmic Inflamm Infect*. [Review / Meta-Analysis]
Koueik J (2025). [PMID: 40294532](https://pubmed.ncbi.nlm.nih.gov/40294532/). *J Neurosurg Case Lessons*. [Case Report / Case Series]
Mitchell J (2025). [PMID: 40356038](https://pubmed.ncbi.nlm.nih.gov/40356038/). *Alzheimers Dement*. [Basic Science / Preclinical]