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A reference for what the literature reports. Not medical advice.

Disease

Ito hypomelanosis

MONDO:0010302Mondo

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Findings

No curated finding names Ito hypomelanosis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

Hypomelanosis of Ito (HI) is a multisystemic neurocutaneous condition with hypopigmented skin lesions along the Blaschko lines.

Definition from the Mondo Disease Ontology (MONDO:0010302), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: ectodermal dysplasia syndrome
eye disorder
hypopigmentation of the skin

Other names

4 names

Resolves to: Ito hypomelanosis

Also called: hi syndromeHypomelanosis of ItoIncontinentia pigmenti type 1pigmentary mosaicism, Ito type