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).
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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).