Document Detail

Human ontogeny of the bile duct to portal space ratio.
MedLine Citation:
PMID:  2737599     Owner:  NLM     Status:  MEDLINE    
Paucity of interlobular bile ducts is a common feature of cholestatic liver disease in premature infants. Whereas a bile duct to portal space ratio of 0.9 to 1.8 is cited by Alagille as the norm for children, there are no data regarding the normal bile duct to portal space ratio in preterm infants. In this study, by examining liver tissue obtained from autopsied fetuses and infants, we have determined that the bile duct to portal space ratio increases as a function of postconceptional age. After 38 weeks postconception, a ratio equal to or greater than 0.9 was seen in eight of nine subjects. Therefore, in evaluating premature infants for duct paucity, liver biopsies should be obtained only after 38 weeks. Prior to 38 weeks postconception, a bile duct to portal space ratio less than 0.9 may be physiologic.
E Kahn; J Markowitz; H Aiges; F Daum
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hepatology (Baltimore, Md.)     Volume:  10     ISSN:  0270-9139     ISO Abbreviation:  Hepatology     Publication Date:  1989 Jul 
Date Detail:
Created Date:  1989-07-28     Completed Date:  1989-07-28     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8302946     Medline TA:  Hepatology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  21-3     Citation Subset:  IM    
Department of Laboratories, North Shore University Hospital-Cornell University Medical College, Manhasset, New York 11030.
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MeSH Terms
Bile Ducts, Intrahepatic / anatomy & histology*,  embryology
Fetus / anatomy & histology*
Gestational Age
Infant, Newborn*
Liver / anatomy & histology*,  embryology

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