49,XXYY, +18 in a liveborn male.
D000015:Abnormalities, Multiple / Q000235:genetics*; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014314:Trisomy