KnowraIchthyosisLinked fromLinked fromThe 3 pages that link to Ichthyosis, each with the reason it gives.All 3Related 2Narrower topic 1KeratinizationRelated: Many forms arise from disrupted epidermal differentiation and barrier formation.Refsum diseaseRelated: Some affected people develop this skin finding alongside neurological and retinal symptoms.Harlequin ichthyosisNarrower topic: Harlequin ichthyosis is among the most severe inherited forms of this broader group.