Ichthyosis Vulgaris
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/Ichthyosis-Vulgaris/page_id/548)
(http://en.wikipedia.org/wiki/Ichthyosis_vulgaris)
skin: fine, polygonal, flat whitish scales that may be darker on distal extremities; face and flexural areas usually spared; accentuated markings on palms and soles; often scaling around hair follicles on extremities
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X-linked Ichthyosis
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/X-linked-Ichthyosis/page_id/554)
(http://en.wikipedia.org/wiki/Ichthyosis_vulgaris)
skin: small, dark, firmly adherent scales; accentuated on sides of neck and trunk; generally spares face, palms, soles, antecubital and popliteal flexures
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Lamellar Ichthyosis
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/Autosomal-Recessive-Congential-Ichthyosis-Lamellar-Ichthyosis-Type/page_id/540)
(http://en.wikipedia.org/wiki/Lamellar_ichthyosis)
skin: generalized flat, polygonal, dark, often large (>1cm) scales; palms and soles usually thickened; variable redness under scales; ectropion usually present; may have clinical overlap with ARCI-CIE type due to shared gene mutations
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Epidermolytic Ichthyosis
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/Epidermolytic-Ichthyosis-EI/page_id/545)
(http://en.wikipedia.org/wiki/Epidermolytic_hyperkeratosis)
skin: generalized redness; thick, generally dark, scales that tend to form parallel rows of spines or ridges,especially near large joints; the skin is fragile and blisters easily following trauma; extent of blistering and amount of scale is variable
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Congenital Ichthyosis
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/Autosomal-Recessive-Congenital-Ichthyosis-Congenital-Ichthyosiform-Erythroderma-CIE-Type/page_id/541)
(http://en.wikipedia.org/wiki/Nonbullous_congenital_ichthyosiform_erythroderma)
skin: generalized, fine, light-colored scale; skin is always red, sometimes intensely so; ectropion present, but often mild; thickening of palms, soles and flexures common; may have overlap with ARCI-lamellar ichthyosis type due to shared gene mutations
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Harlequin Ichthyosis
(http://www.firstskinfoundation.org/content.cfm/Ichthyosis/Harlequin-Ichthyosis/page_id/547)
(http://en.wikipedia.org/wiki/Harlequin-type_ichthyosis)
*The rarest type of Ichthyosis
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