We report a 3 month old boy with tetraploidy, found in peripheral blood and skin fibroblast cultures, with severely delayed growth and neurodevelopment, and with a cleft lip; these findings have not been described before. This report brings to seven the total number of liveborn infants with a 92,XXYY karyotype.
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CITATION STYLE
Lopez Pajares, I., Delicado, A., De Bustamante, A. D., Pellicer, A., Pinel, I., Pardo, M., & Martin, M. (1990). Tetraploidy in a liveborn infant. Journal of Medical Genetics, 27(12), 782–783. https://doi.org/10.1136/jmg.27.12.782