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      Síndrome de Sotos diagnosticado por hibridación genómica comparativa Translated title: Sotos syndrome diagnosed by comparative genomic hybridisation

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          Abstract

          El síndrome de Sotos (SS) es una enfermedad genética con un patrón de herencia autosómico dominante, causado por haploinsuficiencia del gen NSD1 secundaria a mutaciones puntuales o microdeleciones del locus 5q35 en el que está ubicado el gen. Es un síndrome poco frecuente, presentándose en 7 de cada 100.000 nacimientos. El objetivo de este reporte es presentar el caso de una paciente de 4 años con retardo global del desarrollo, y hallazgos físicos especiales que sugerían un sindrome genético. Caso clínico: Paciente de 4 años, género femenino, cabello ralo, fascie triangular, fisura palpebral alargada, papadar ojival, mandíbula prominente, escápula alada y clinodactilia del quinto dedo de ambas manos. La prueba molecular de hibridación genómica comparativa por microarreglos, mostró microdeleción de la región 5q35.2 q35.3 de 2.082 MB, que incluye el gen NSD1. Conclusión: Proponemos realizar la prueba de hibridación genómica comparativa en pacientes con retraso global del desarrollo y hallazgos fenotípicos menores.

          Translated abstract

          Sotos Syndrome (SS) is a genetic disease with an autosomal dominant pattern caused by haplo-insufficiency of NSD1 gene secondary to point mutations or microdeletion of the 5q35 locus where the gene is located. It is a rare syndrome, occurring in 7 out of every 100,000 births. The objective of this report is to present the case of a 4 year-old patient with a global developmental delay, as well as specific physical findings suggesting a syndrome of genetic origin. Clinical case: Female patient, 4 years of age, thinning hair, triangular facie, long palpebral fissure, arched palate, prominent jaw, winged scapula and clinodactilia of the fifth finger both hands. The molecular test comparative genomic hybridisation test by microarray was subsequently performed, with the result showing 5q35.2 q35.3 region microdeletion of 2,082 MB, including the NSD1 gene. Conclusion: Finally, this article also proposes the performing of comparative genomic hybridisation as the first diagnostic option in cases where clinical findings are suggestive of SS.

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          Most cited references11

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          Sotos syndrome 1: Sotos 1 #117550. OMIM

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            MLPA analysis in 30 Sotos syndrome patients revealed one total NSD1 deletion and two partial deletions not previously reported

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              Gene Reviews

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcp
                Revista chilena de pediatría
                Rev. chil. pediatr.
                Sociedad Chilena de Pediatría
                0370-4106
                August 2016
                : 87
                : 4
                : 288-292
                Affiliations
                [1 ] Universidad del Valle Colombia
                [2 ] Universidad del Valle Colombia
                [3 ] Universidad del Valle Colombia
                Article
                S0370-41062016000400010
                10.1016/j.rchipe.2015.10.010
                354b8b7c-67a9-4ca6-bb86-392b528164be

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                Product

                SciELO Chile

                Self URI (journal page): http://www.scielo.cl/scielo.php?script=sci_serial&pid=0370-4106&lng=en
                Categories
                PEDIATRICS

                Pediatrics
                Síndrome de sobrecrecimiento,Gen NSD1,Deleción 5q35,Hibridación genómica comparativa,Retraso mental,Overgrowth syndrome,NSD1 gene,5q35 deletion,Comparative genomic hybridisation,Mental retardation

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