CML and the Philadelphia Chromosome: 50 Years of Progress An interview with the co-discoverer of one of the biggest ... My limited understanding is that 22q11.2 deletion is usually called DiGeorge or Velo-Cardio-Facial syndrome, and it is ... This discussion is related to Rare chromonsonal deletion in 2-year-old?!.. ... Rare chromonsonal deletion in 2-year-old?!,/a,. ...