HYPOMELANOSIS OF ITO

By Gary M. White, MD

Hypomelanosis of Ito


Hypomelanosis of Ito (HI) describes linear and whorled areas of skin hypopigmentation along the lines of Blaschko.

Clinical

Streaks and whorls of hypopigmentation appearing within the first year of life are characteristic. If the scalp is involved, streaks of white hair may occur. The true incidence of abnormalities is probably around 30%.

Workup

Chromosomal analysis may be done. Otherwise, a good history and physical is probably all that is needed.

Treatment       

No specific treatment for the skin is known. Gradual repigmentation may occur.

Additional Pictures

Hypomelanosis of Ito Hypomelanosis of Ito

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