Manifestations of 22q11.2 deletion syndrome (mnemonic)

A mnemonic to remember the manifestations of 22q11.2 deletion syndrome (DiGeorge syndrome) is:

• CATCH 22

​Mnemonic

• C: congenital heart disease (particularly conotruncal anomalies)
• A: abnormal facies (hypertelorism, low set ears, short philtrum, among others)
• T: thymic hypoplasia
• C: cleft palate/cellular immune deficiency
• H: hypoparathyroidism with hypocalcemia 
• 22: deletion located on chromosome 22