Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG
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Ichthyoses are genetically determined Mendelian disorders of cornification (MEDOC) that are characterized by universal scaling. Today we distinguish between non-syndromic and syndromic forms. Ichthyosis vulgaris is the most frequent type (prevalence 1:100) and is caused by autosomal semi-dominant filaggrin mutations. ⋯ Mutations in keratin genes are the cause of the keratinopathic ichthyoses, such as epidermolytic ichthyosis. They manifest at birth and often feature episodes of blistering. Most of these types are inherited as autosomal dominant traits, but autosomal recessive forms have also been described on occasion.