Case report: the association between chromosomal anomalies and cluster A personality disorders: the case of two siblings with 16p11.2 deletion and a review of the literature.

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This case report describes two brothers with 16p11.2 deletion who both developed cluster A personality traits (such as paranoid and schizotypal tendencies), exploring a possible link between 16p11.2 deletion and personality disorders that families and clinicians should be aware of when monitoring mental health outcomes.