Definition of Pallister-Killian syndrome
Pallister-Killian syndrome: A condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism (an abnormal chromosome #12 in some cells).
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=4736
Last Editorial Review: 6/14/2012
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