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An EEC syndrome characterized by autosomal dominant inheritance that has material basis in variation in the chromosome region 7q11.2-q21.3.
Features include always present findings: Sparse hair. 62 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Arms and legs | 4 | Toe syndactyly, Split hand, Hand polydactyly |
Skin |
Phenotype severity distribution: 1 always present feature.
No clinical trials have been registered for ectrodactyly, ectodermal dysplasia, and cleft lip-palate syndrome 1.
3 publications have been identified in PubMed for ectrodactyly, ectodermal dysplasia, and cleft lip-palate syndrome 1. Research spans Review / Meta-Analysis (33%), Case Report / Case Series (33%), and Epidemiology / Natural History (33%).
Gaudioso F (2025). [PMID: 41562894](https://pubmed.ncbi.nlm.nih.gov/41562894/). *Med Sci (Basel)*. [Review / Meta-Analysis]
Illi C (2025). [PMID: 40370525](https://pubmed.ncbi.nlm.nih.gov/40370525/). *Case Rep Perinat Med*. [Case Report / Case Series]
Butcher C (2024). [PMID: 39126172](https://pubmed.ncbi.nlm.nih.gov/39126172/). *Am J Med Genet A*. [Epidemiology / Natural History]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 8:41 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Nail pits, Thin skin, Thickened, rough skin (hyperkeratosis) |
Head and neck | 4 | Microcephaly, Cleft palate, Hypoplasia of the maxilla |
Hormones | 3 | Hypogonadotropic hypogonadism, Decreased response to growth hormone stimulation test, Central diabetes insipidus |
Brain and nerves | 2 | Depressed nasal tip, Intellectual disability |
Kidneys and urinary system | 2 | Renal dysplasia, Renal agenesis |
Ears | 1 | Conductive hearing impairment |
Growth and development | 1 | Decreased response to growth hormone stimulation test |
Lungs and breathing | 1 | Recurrent respiratory infections |
Blood and immune system | 1 | Recurrent respiratory infections |