Case Report of Infant With Features of Beckwith-Wiedemann Syndrome Diagnosed With Genome-wide Uniparental Disomy
Uniparental disomy (UPD), where two copies of genetic material are from one parent, and none from the other, is a familiar cause of imprinting. We present a premature infant with organomegaly and congenital hyperinsulinism found to have complete UPD of paternal origin as determined by Mendelian inheritance error analysis.