Abstract
A partial trisomy 12q243 leads to qter resulting from a maternal balanced translocation, 46,XX,t(9;12)(p243;q243) was detected in a male newborn with multiple congenital abnormalities. The maternal grandmother was also a carrier of the 9;12 translocation. Our patient exhibited a number of clinica features similar to two others reported, who were also trisomic for the distal part of 12q. Aberrations of chromosome 12 are very rare. There have been only two reports of partial trisomy 12q, both the result of a familial translocation. We describe a third unbalanced case.
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