Journal of Morphological Sciences
Journal of Morphological Sciences
Original Article

The Retrohepatic segment of inferior vena cava and the ostia venae hepaticae in a Northwest Indian population

Mandeep Gill Sagoo; Gaurav Agnihotri

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The study has been undertaken to provide the morphological data regarding the retrohepatic segment of inferior vena cava (RHIVC), the prevalence of caudate lobe over the RHIVC (pons hepaticus) and openings of hepatic veins (ostia venae hepaticae) The knowledge is essential in determining hepatic circulation, selective venography, causes of posthepatic portal hypertension and locating the membranous obstruction in Budd-Chiari syndrome. The preliminary study was done on 100 livers (age range 50-95 years) from Northwest Indian population.The inferior vena cava was divided transversely at the level where it pierced the diaphragm superiorly and at the lower limit of caudate lobe inferiorly. Then the RHIVC was opened posteriorly and its internal surface was divided into 16 chambers to investigate the ostia vena hepaticae. Average length of RHIVC in 100 cadaveric livers was found to be 65.6 mm. Direction of axis of RHIVC in relation to the axis of the liver was vertical in 8, oblique towards left in 18 and curved towards left in 74 livers. The total no. of openings of ostia venae hepaticae were 800 and the extension of caudate lobe was found complete in 4 livers (pons hepaticus) and partial in 48 livers. The results of this study clarify the anatomy of RHIVC and sites of ostia vena hepaticae are essential to recognise while treating Budd-Chairi syndrome, partial hepatectomies and liver transplants.


hepatic veins, Retrohepatic segment of inferior vena cava, Pons hepaticus, Budd-Chairi syndrome, partial hepatectomies, liver transplants.
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J. Morphol. Sci.

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