We report on a patient with hypomelanosis of Ito (HI), developmental delay, recurrent pneumonia, and facial asymmetry. Chromosome analysis done on blood and on one of three skin biopsies showed trisomy 18 mosaicism. This is the first report of HI associated with trisomy 18 mosaicism. This neuroectod
Hypomelanosis of Ito with trisomy 18 mosaicism
β Scribed by Grazia, Rodolfo ;Tullini, Andrea ;Rossi, Paola Giovanardi ;Neri, Iria ;Patrizi, Annalisa ;Croci, Gianfranco ;Manenti, Elisabetta ;Gobbi, Giuseppe
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 135 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0148-7299
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Our finding of chromosome mosaicism with a ring 22 in a retarded black boy with hypomelanosis of Ito prompted a review of this "syndrome." Most patients have a variety of non-dermal defects, particularly those affecting CNS function. Among karyotyped patients, most are chromosome mosaics of one sort
Hypomelanosis of Ito is a neurocutaneous phenotype comprising pigmentary anomalies, neurological defects, structural malformations, and chromosomal abnormalities. It has been described as a distinct multisystem birth defect or, more specifically, as a neurocutaneous syndrome. The main purpose of thi