Ectodermal dysplasia (ED) is a hereditary genetic disorder that manifests a variety of deformities in one or more of the ectodermal derivatives. Ectodermal derivatives originate from ectodermal layers during embryonic development, such as skin, nails, hair, teeth, and exocrine glands. Over 150 variants of ED are reported in the literature. It has an incidence of seven in every 100,000 live births. There are two types of ED, which are hypohidrotic (anhidrotic) and hydrotic. The types are classified according to the degree of function of the sweat glands. This report discusses the case of a 13-month-old Saudi girl with typical features of ectodermal dysplasia who presented to a dermatology clinic.
Keywords: developmental malformation; ectodermal dysplasia; ectodermal layers; exocrine glands; rare genetic disorder; x-linked genetic diseases.
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