Intrauterine Growth Retardation Fetus with Trisomy 16 Mosaicism
Author(s) -
Takol Chareonsirisuthigul,
Suchin Worawichawong,
Rachanee Parinayok,
Patama Promsonthi,
Budsaba Rerkamnuaychoke
Publication year - 2014
Publication title -
case reports in genetics
Language(s) - English
Resource type - Journals
eISSN - 2090-6544
pISSN - 2090-6552
DOI - 10.1155/2014/739513
Subject(s) - trisomy , fetus , umbilical cord , single umbilical artery , placenta , medicine , abnormality , karyotype , aneuploidy , obstetrics , chromosomal abnormality , growth retardation , pregnancy , anatomy , biology , chromosome , genetics , psychiatry , gene
Fetal trisomy 16 is considered uniformly lethal early in gestation. It has been reported to be associated with the variability of clinical features and outcomes. Mosaic trisomy 16 leads to a high risk of abnormality in prenatal cases. Intrauterine growth retardation (IUGR) is a common outcome of mosaic trisomy 16. Herein, we report on the case of Thai male IUGR fetus with trisomy 16 mosaicism. The fetal body was too small. Postmortem investigation of placenta revealed the abnormality including small placenta with furcated cord insertion and single umbilical cord artery. Cytogenetic study demonstrated trisomy 16 that was found 100% in placenta and only 16% in the fetal heart while other organs had normal karyotype. In addition, cardiac and other internal organs examination revealed normal morphology.
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