- Septo-optic dysplasia associated with chromosome 15q13.3 duplication: a case report
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Jeong A Ham, Sung Hyun Kim, Donghwi Park
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J Yeungnam Med Sci. 2023;40(4):419-422. Published online December 2, 2022
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DOI: https://doi.org/10.12701/jyms.2022.00493
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 Abstract
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- Septo-optic dysplasia (SOD) is a rare congenital anomaly that is clinically defined by developmental delay and characteristic brain magnetic resonance imaging findings, including optic nerve hypoplasia, pituitary hormone abnormalities, and midline brain defects. The occurrence of SOD is generally sporadic; however, it can be inherited rarely. Although an association with HESX1, SOX2, and SOX3 mutations has been identified, the detailed etiology is multifactorial and unclear. Here, we present the case of a 7-year-old girl who was clinically diagnosed with SOD and 15q13.3 duplication. Patients with duplication at chromosome 15q13.3 were reported to be diagnosed with autism spectrum disorder, epilepsy, and schizophrenia in previous studies. The relationship between SOD and the microduplication of 15q13.3 has not yet been explored. In this study, we suggest that there may be an association between chromosome 15q13.3 microduplication and SOD.
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Yeungnam University College of Medicine
