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Complex neuropsychiatric presentation of 17q12 duplication syndrome: A case report
Soumitra Das1, Lochana Samarasinghe2, Sheryl Deva3
1Department of Psychiatry, Western Health, Footscray, VIC, Australia.
Abstract:
The chromosomal band 17q12 is characterized by a high density of genes and is bordered by segmental duplications, the structural arrangement of which increases the susceptibility of the region to deletions and duplications. Duplication of 17q12 is a rare genetic condition associated with variable characteristics from clinically asymptomatic to intellectual disabilities, seizures, and behavioral problems. The variability in phenotype is primarily due to variable expressivity and incomplete penetrance. Diagnosis is mostly established by chromosomal microarray. Treatment involves a multidisciplinary approach. We present a case of a 43-year-old female who initially presented with hyperphagia and was eventually diagnosed with bulimia nervosa, anxiety, mood disorder, and personality disorder. Additional research is required to better understand the impact of 17q12 duplication syndrome on the development of bulimia nervosa since its pathogenesis has not been adequately described in the current literature.
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