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April 1973

Hypomelanosis of Ito ("Incontinentia Pigmenti Achromians"): Report of Three Cases and Review of the Literature

Author Affiliations

New York

From the Department of Dermatology, New York University School of Medicine, Skin and Cancer Unit.

Arch Dermatol. 1973;107(4):596-601. doi:10.1001/archderm.1973.01620190068017

The so-called incontinentia pigmenti achromians syndrome occurred in three children. A study of these cases together with a review of the 18 previously published cases suggests that this disease is an entity, and although some features are similar to classic incontinentia pigmenti, the differences are sufficient to separate it from this syndrome. The disease frequently involves other parts of the body including the eyes and the musculoskeletal and central nervous systems. A pattern suggestive of autosomal dominant inheritance is sometimes found. The cutaneous component is characteristic and distinguishable from systematized depigmented nevi and piebaldism. Its present name is illogical and hypomelanosis of Ito would appear to be a more suitable appellation, until the cause is better understood.

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