Ichthyosis - Definition

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Definition


Ichthyosis defines a set of inherited skin diseases characterized by dryness of the skin accompanied by the presence of so-called squamous lesions, which roughly resemble scales. It can affect the entire skin surface, but usually spares the face. This type of disease often affects children. The ichthyosiform hyperkeratosis, for example, affects primarily the palms, the soles of the feet, and areas in folds.