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Chromosome 22 Central
Support for Disorders of
Chromosome 22


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The Genereview entry on 22q11 Deletion Syndrome gives one of the best overviews of the disorder. This is another great overview of the condition: 22q11.2 Primer

C22C has more members with this deletion syndrome than any other condition.

Important dates:

November is 22q Awareness Month.

Follow our group and others as people share posts and celebrate!

See 22qAwarenessDays (Facebook) as well as any of the other 22q groups internationally (including ours) who share awareness all month long!

Also in May, there is 22q at the Zoo Awareness day! A global event!

International 22q Foundation Page


22q at the Zoo Awareness Day (Facebook)

There are so many excellent websites offering information on this condition, and the following are only a few. If you know of a site that should be listed here, please email us.

nahani rose

Follow C22C's blog - we have a blogger, Nahani Rose, who shares insights on 22q!


Are you interested in sharing your story? A special project or accomplishment? Thoughts about life? We would love to have you contribvute to our blog! Send an email to c22central @gmail.com.

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22q11 Deletion Syndrome

(Velocardiofacial and DiGeorge Syndromes)

22q11 Deletion Syndrome occurs in approximately 1-4000 births. It happens when a small band of chromosome 22 at the q11.2 area are missing. 

22q11 Deletion has been described by many different names, The 22q11.2 Deletion Sydrome, Velocardiofacial syndrome, DiGeorge Syndrome, Conotruncal Anomaly Face syndrome, Opitz G/BBB Syndrome, Cayler Cardiofacial Syndrome and this is because of the history of how it was initially described by different people. To understand more about the history and name issues, read the History of 22q11- from the CHOP website.

22q11 Deletion can result in a variety of effects on a person - about 180 different findings have been listed, but some common features can incude heart defects, immune system problems, a distinctive facial appearance, learning challenges, cleft palate, hearing loss, kidney problems, hypocalcemia, and sometimes psychiatric issues.

 Please visit:

Additional Support, Information and Awareness:

Canada and USA




United States


See the International 22q11.2 Foundation website for International Clinics