Document Detail

Monochorionic twins with the same blood karyotype of 46,XY/47,XYY but different phenotypes.
MedLine Citation:
PMID:  20178547     Owner:  NLM     Status:  MEDLINE    
We report the case of a 13-year-old woman who was pregnant with phenotypically discordant monochorionic twins: one with cystic hygroma and hydrops, the other one normal. Fetal blood sampling was performed by intrahepatic blood collection for karyotyping of both fetuses, revealing the same genotype of 46,XY/47,XYY in 2:1 proportion. Phenotypic discordance in monozygotic twins can have various causes, such as placental vascular anatomy, differences in allocation of the number of blastomeres or genetic postzygotic events.
Piyawadee Wuttikonsammakit; Somchai Tanawattanacharoen; Boonchai Uerpairojkit
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The journal of obstetrics and gynaecology research     Volume:  36     ISSN:  1447-0756     ISO Abbreviation:  J. Obstet. Gynaecol. Res.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-24     Completed Date:  2010-06-01     Revised Date:  2012-01-19    
Medline Journal Info:
Nlm Unique ID:  9612761     Medline TA:  J Obstet Gynaecol Res     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  178-82     Citation Subset:  IM    
Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
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MeSH Terms
Abnormalities, Multiple / genetics,  ultrasonography*
Diseases in Twins / blood,  genetics*,  ultrasonography
Fetal Blood
Fetal Death
Gonadal Dysgenesis, 46,XY* / blood
Heart Septal Defects, Atrial / ultrasonography
Infant, Newborn
Infant, Premature
Live Birth
Twins, Monozygotic / blood,  genetics*
Ultrasonography, Prenatal
XYY Karyotype* / blood

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