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  • Title: Unique mosaicism of tetraploidy and trisomy 8: clinical, cytogenetic, and molecular findings in a live-born infant.
    Author: Roberts HE, Saxe DF, Muralidharan K, Coleman KB, Zacharias JF, Fernhoff PM.
    Journal: Am J Med Genet; 1996 Mar 29; 62(3):243-6. PubMed ID: 8882781.
    Abstract:
    We report on a live-born infant with mosaicism of tetraploidy and trisomy 8 who had craniofacial abnormalities, cardiac and genitourinary defects, agenesis of the corpus callosum, and anomalies of limbs. The infant died at age 14 weeks. Molecular studies were done on peripheral blood lymphocytes and cultured amniocytes to determine the origin of the cytogenetic abnormalities. On the basis of the results, we describe a possible mechanism to explain these abnormalities. To our knowledge, this infant represents the first reported case of mosaic trisomy 8 with a tetraploid cell line.
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