Document Detail

Absence of bifurcation of the portal vein.
MedLine Citation:
PMID:  18795219     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Absence of the horizontal segment of the left portal vein (PV) or absence of bifurcation of the portal vein (ABPV) is extremely rare anomaly. The aim of this study was to study the extra-hepatic PV demonstrating the importance of its careful assessment for the purpose of split-liver transplantation. METHOD: Human cadaver livers (n = 60) were obtained from routine autopsies. The cutting plane of the liver consisted of a longitudinal section made immediately on the left of the supra-hepatic inferior vena cava through the gallbladder bed preserving the arterial, portal and biliary branches in order to obtain two viable grafts (right lobe-segments V, VI, VII, and VIII and left lobe-segments II, III, and IV) as defined by the main portal scissure. The PV was dissected out and recorded for application of the liver splitting. RESULTS: The PV trunk has been divided into right and left branch in 50 (83.3%) cases. A trifurcation of the PV was found in 9 (15.2%) cases, 3 (5%) was a right anterior segmental PV arising from the left PV and 6 (10%) a right posterior segmental PV arising from the main PV. ABPV occurred in 1 (1.6%) case. CONCLUSION: Absence of bifurcation of the portal vein is a rare anatomic variation, the surgeon must be cautious and aware of the existence of this exceptional PV anomaly either pre or intra-operatively for the purpose of hepatectomies or even split-liver transplantation.
Eleazar Chaib
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Publication Detail:
Type:  Journal Article     Date:  2008-09-16
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  31     ISSN:  1279-8517     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-06-04     Completed Date:  2009-09-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  389-92     Citation Subset:  IM    
Department of Gastroenterology, Liver and Transplantation Surgery Unit, University of São Paulo School of Medicine, São Paulo, Brazil.
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MeSH Terms
Liver Transplantation
Portal Vein / anatomy & histology*
Reference Values

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