Identification of Pathogenic Variants in &lt;i&gt;CYP4F22&lt;/i&gt;, &lt;i&gt;FLG&lt;/i&gt;, &lt;i&gt;ALOX12B&lt;/i&gt;, and &lt;i&gt;NIPAL4&lt;/i&gt; in a Case Series of Inherited Ichthyosis. This evidence concerns the gene CYP4F22 and ichthyosis.