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Archivos argentinos de pediatría

Print version ISSN 0325-0075


ROJAS MARTINEZ, Jorge A  and  ACOSTA GUIO, Johanna C. Mosaic isochromosome Xq and microduplication 17p13.3p13.2 in a patient with Turner syndrome and congenital cataract. Arch. argent. pediatr. [online]. 2015, vol.113, n.1, pp.e21-e25. ISSN 0325-0075.

The combination of Turner syndrome with other genetic disorders such as congenital cataract has been reported, but its association with a congenital form with autosomal dominant inheritance and incomplete penetrance has not been previously reported in the literature. There are no reports on its presentations with rearrangements on chromosome 17. We report the exceptional case of a 20 months old girl with a constellation of major and minor anomalies, diagnosed with mosaic Turner syndrome by isochromosome Xq associated with a microduplication 17p13.3p13.2, who also had bilateral congenital nuclear cataract autosomal dominant with incomplete penetrance. We reviewed in the literature the origin and cause of these genetic alterations and we provided an approach to the hypothesis of the pathogenesis of the association of two of these genetic disorders in the same patient.

Keywords : Turner syndrome; Isochromosome Xq; Congenital cataract; Chromosomal mosaicism; Up microduplication.

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