TOPICS: DiGeorge syndrome, 22q11 microdeletion syndrome, aberrant development of 3rd and 4th pharyngeal pouches, cleft palate, abnormal facies, thymic aplasia, absent thymic shadow, T cell deficiency, parathyroid aplasia, parathyroid hormone (PTH), hypocalcemia, recurrent fungal infections, compromised immune system, conotruncal abnormalities, tetralogy of Fallot, truncus arteriosus, cardiac defects, velocardiofacial syndrome
