Double Trisomy 48,XXY,+21 in a Neonate with Congenital Heart Disease

Bijanzadeh M, Rajaei Behbahani S.Arch Iran Med. 2020 May 1;23(5):356-358. doi: 10.34172/aim.2020.26.PMID: 32383621

 

Abstract

Double trisomy 48, XXY, +21 or Down-Klinefelter syndrome is a rare occurrence and presents clinical manifestation of trisomy 21 in early life and of Klinefelter syndrome after 10 months of age. The phenotypic and karyotyping characteristics of a 2-month-old boy were reported. He had mild clinical feature of Down syndrome and echocardiographic features of atrioventricular (AV) septal defects with severe pulmonary valve stenosis.

 

source:https://pubmed.ncbi.nlm.nih.gov/32383621/

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