"Ectodermal dysplasias are rare, with prevalence rates for many not being able to be determined 4. For ectodermal dysplasias with known prevalence rates, these range from ~3 per 100,000 for hypohidrotic ectodermal dysplasia to ~0.1 per 100,000 for focal dermal hypoplasia (Goltz) syndrome 4."
"EEC syndrome (ectodermal dysplasia, ectrodactyly, and clefting) 3"
"AEC syndrome (ankyloblepharon, ectodermal dysplasia, and cleft lip and/or palate)"
Expected headings
"Associations"
"sparse hair (atrichosis or hypotrichosis) that is light in colour, coarse and excessively brittle"
"fingernails and toenails may be absent, thick, abnormally shaped, discoloured, ridged, slow growing, or brittle"
"There are four primary ectodermal dysplasia (ED) defects:"