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Iatreia
versão impressa ISSN 0121-0793
Resumo
SALDARRIAGA-GIL, Wilmar; COLLAZOS-SAA, Laura e RAMIREZ-CHEYNE, Julián. Cohen syndrome diagnosed using microarray comparative genomic hybridization. Iatreia [online]. 2017, vol.30, n.4, pp.455-462. ISSN 0121-0793. https://doi.org/10.17533/udea.iatreia.v30n4a10.
Cohen syndrome (CS) is an uncommon autosomal recessive genetic disorder attributed to damage on VPS13B gene, locus 8q22-q23. Characteristic phenotype consists of intelectual disability, microcephaly, facial dysmorphism, ophthalmic abnormalities, truncal obesity and hipotony. Worldwide, around 150 cases have been published, mostly in Finish patients. We report the case of a 3 year-old male, with short height, craniosynostosis, facial dysmorphism, hipotony, and developmental delay. He was diagnosed with Cohen syndrome using Microarray Comparative Genomic Hibridization (aCGH) that showed homozygous deletion of 0.153 Mb on 8q22.2 including VPS13B gene, OMIM #216550. With this report we contribute to enlarge epidemiological databases on an uncommon genetic disorder. Besides, we illustrate on the contribution of aCGH to the etiological diagnosis of patients with unexplained intellectual disability, delayed psychomotor development, language difficulties, autism and multiple congenital anomalies.
Palavras-chave : Chromosome Disorders; Comparative Genomic Hybridization; Chromosomes, Human, Pair 8; Hipotony; Intellectual Disability.