Incontinentia pigmenti achromians (Ito's hypomelanosis).
A 2-year-old Mexican girl had hypochromic lesions characteristic of incontinentia pigmenti achromians on the right half of the body. Extra cutaneous alterations were: dacryostenosis, bilateral genu valgus,ataxic gait, language retardation, hydrocephaly and abnormal electroencephalogram. Electron microscopy showed numerous Langerhans cells in the epidermis.
D000328:Adult; D002653:Child Behavior Disorders / Q000150:complications; D002675:Child, Preschool; D005260:Female; D006257:Head / Q000002:abnormalities; D006801:Humans; D007621:Karyotyping; D007717:Knee / Q000002:abnormalities; D007767:Lacrimal Duct Obstruction / Q000150:complications; D007801:Langerhans Cells / Q000648:ultrastructure; D008297:Male; D009508:Nevus, Pigmented / Q000473:pathology*; D012737:Sex Factors; D012878:Skin Neoplasms / Q000473:pathology*; D013577:Syndrome