a part of a standardized diagnostic workup for selected groups of at risk patients. We
prospectively investigated four cohorts of unselected patients referred because of: 1)
congenital heart defect (CHD), 2) palatal anomalies, 3) hypocalcaemia, 4) dysmorphic
features suggestive of del 22q11.2. Fluorescence in situ hybridization analysis revealed …
In view of the high frequency of del 22q11.2 among CTD patients, the fact that clinical diagnosis …