Tetrasomi X
Engelsk navn: Tetrasomy X
Engelske synonym: 48,XXXX syndrome,Quadruple X,Tetra X
Definisjon
Tetrasomy X is a sex chromosome anomaly caused by the presence of two extra X chromosomes in females (48,XXXX instead of 46,XX).
Fra Orphanet
ORPHA: 9
Klassifiseringsnivå: Disorder
ICD-10: Q97.1