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  • Title: Patau syndrome with long survival in a case of unusual mosaic trisomy 13.
    Author: Fogu G, Maserati E, Cambosu F, Moro MA, Poddie F, Soro G, Bandiera P, Serra G, Tusacciu G, Sanna G, Mazzarello V, Montella A.
    Journal: Eur J Med Genet; 2008; 51(4):303-14. PubMed ID: 18495567.
    Abstract:
    We report a 12-year-old patient with Patau syndrome, in whom two cell lines were present from birth, one with total trisomy 13 due to isochromosome (13q), and one with partial trisomy 13. A cytogenetic re-evaluation at 9 years of age brought to light in skin fibroblasts a third cell line, partially monosomic for chromosome 13. The derivatives (13) present in the three cell lines were characterized through fluorescence in situ hybridization (FISH) experiments with suitable probes; the results suggested a sequence of rearrangements which beginning from an isochromosome (13q) could have led to the other two derivatives. We report the clinical data at birth and at the age of 12; at this age pigmentary lesions with phylloid pattern were noted. Cytogenetic findings of the chromosomal analyses on different tissues, including skin fibroblasts from differently pigmented areas, are also reported.
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