Congenital syndrome characterized by a spectrum of malformations including the absence of the and resulting in T-cell immunodeficiency and . Other features include defects in the outflow tract of the and craniofacial anomalies (velocardiofacial syndrome). Most cases result from a deletion of chromosome 21q11.2 or mutation in the TBX1 gene.
Velocardiofacial Syndrome /
Chromosome 22q11.2 Deletion Syndrome /
Hypoplasia of Thymus and Parathyroids /
Velo-Cardio-Facial Syndrome /