Prenatal sonographic delineation of the complex cardiac anatomy of thoraco-omphalopagus twins

We describe a case of thoraco-omphalopagus twins diagnosed at 18 weeks' gestation. Each twin had a separate set of anatomical structures except for a shared heart, upper liver and anterior chest wall. The heart was located at the center of the juncture, and consisted of three atria and two vent...

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Bibliographic Details
Main Authors: Tongsong T., Khunamornpong S., Piyamongkol W., Chanprapaph P.
Format: Article
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-14544291491&partnerID=40&md5=28a597b38043c8073d2e9b37f95d2e30
http://www.ncbi.nlm.nih.gov/pubmed/15614847
http://cmuir.cmu.ac.th/handle/6653943832/1960
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Institution: Chiang Mai University
Language: English
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Summary:We describe a case of thoraco-omphalopagus twins diagnosed at 18 weeks' gestation. Each twin had a separate set of anatomical structures except for a shared heart, upper liver and anterior chest wall. The heart was located at the center of the juncture, and consisted of three atria and two ventricles, each twin having a single ventricle and right atrium but a fused left atrium. A set of great arteries originated from each single ventricle and there was juxtaposition of the aortic and pulmonary values. One twin had transposition of the great arteries, whereas in the other these were normal in configuration. There was only one umbilical cord which contained four vessels (two arteries and two veins). This case report demonstrates the possibility of using fetal echocardiography to delineate the cardiovascular complex of the conjoined heart. Copyright © 2004 ISUOG.