Lamellar ichthyosis - All Information

Definition of Lamellar ichthyosis:

Lamellar ichthyosis is a rare skin condition that appears at birth and continues throughout a person's life.

Causes, incidence, and risk factors:

Lamellar ichthyosis is passed down through families (inherited). Both parents must have at least one abnormal gene to pass it to their children.

Symptoms:

A baby is born with a collodian membrane -- a shiny, waxy layer of skin that sheds within the first 2 weeks of life. Red, scaly skin remains underneath. It resembles the surface of a fish.

Treatment:

Moisturizers containing urea, ammonium lactate, or other alpha-hydroxy acids may help. Also, retinoid medications such as tazarotene may be used on the skin (topically).

Gene therapy to correct the genetic defect may be possible in the future.

Complications:

When the collodian membrane is shed, babies are at risk for infection.

Later in life, eye problems may occur because the eyes cannot close completely.

Ichthyosis, acquired - legs

Reviewed last on: 10/10/2010
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Morelli JG. Disorders of keratinization. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 657.

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