incontinentia pigmenti achromiens

incontinentia pigmenti a·chro·mi·ens

(ə-krō′mē-əns)
n.
An inherited skin disorder characterized by the appearance of macules with less than normal pigmentation in a swirling or marble pattern, and associated with other abnormalities of the nerves, eyes, muscles, and bones. Also called hypomelanosis of Ito.
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