Editor-In-Chief: C. Michael Gibson, M.S., M.D. ; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. 
22q11.2 deletion syndrome is a disorder caused by the deletion of a small piece of chromosome 22. The deletion occurs near the middle of the chromosome at a location designated q11.2.
Differentiating [Disease] from Other Diseases
Epidemiology and Demographics
Natural History, Complications, and Prognosis
History and Symptoms
Other Diagnostic Studies