Document Detail


Topographic anatomy of the fetal inferior vena cava, coronary sinus, and pulmonary veins: Variations in Chiari's network.
MedLine Citation:
PMID:  25425533     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
To understand anomalies in Chiari's network better, we assessed the topographical anatomy of the fetal inferior vena cava (IVC), coronary sinus, and atria. We examined sagittal serial paraffin sections of 15 human fetuses of crown-rump length 24-36 mm, corresponding to a gestational age of 8 weeks. Although their outflow tract morphologies were similar, these 15 specimens could be classified into two groups. In eight specimens, the left common cardinal vein reached the body wall, whereas in the other seven the vein was obliterated near the left pulmonary vein. Irrespective of the group in which the specimen was included, the anteroposterior arrangement of the coronary sinus, the sinus septum (septum), and the right sinus valve (right valve) could be classified into three types: the right valve-septum-coronary sinus arrangement in seven specimens; the right valve-coronary sinus-septum arrangement in five; and the coronary sinus-right valve-septum arrangement in three. Depending on differences in topographical anatomy, the sinus septum separated the coronary sinus opening from either the right or the left atrium. Likewise, the coronary sinus opening was either adjacent to or distant from the IVC terminal. Rather than the counter-side position of the right valve being at the IVC terminal, the left sinus valve protruded leftward, forming an incomplete interatrial septum. Fetal variations seemed to be closely connected with individual variations and a high frequency of Chiari's network anomalies in adults. Clin. Anat., 2014. © 2014 Wiley Periodicals, Inc.
Authors:
Michiko Naito; Hee Chul Yu; Ji Hyun Kim; José Francisco Rodríguez-Vázquez; Gen Murakami; Baik Hwan Cho
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-25
Journal Detail:
Title:  Clinical anatomy (New York, N.Y.)     Volume:  -     ISSN:  1098-2353     ISO Abbreviation:  Clin Anat     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-11-26     Completed Date:  -     Revised Date:  2014-11-27    
Medline Journal Info:
Nlm Unique ID:  8809128     Medline TA:  Clin Anat     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Wiley Periodicals, Inc.
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