22q11.2 deletion syndrome (clinically also known as velocardiofacial or DiGeorge syndrome) is the most common human microdeletion syndrome and can be associated with a multitude of clinical features. In this article we report the case of a 22-year-old patient from Austria who was diagnosed with previously unknown 22q11.2 deletion syndrome in the context of newly developed psychosis. Using this case as an example, we then discuss the implications of 22q11.2 deletion syndrome for clinical psychiatric practice.
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