22q11.2 deletion syndrome history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Symptoms

Individuals with a 22q11 deletion can suffer from a range of over 200 possible symptoms, ranging from the mild to the very serious. Possible symptoms are:

• An immune deficiency regardless of their clinical presentation (77%) - recurrent infections
• Significant feeding problems (30%)
• Learning difficulties (70-90%)
• Hearing loss
• Seizures