5% of the population, connecting to the right atrium via the coronary sinus. Anatomical Variations and Congenital Anomalies Variations in inferior vena cava anatomy are more common than traditionally appreciated.
Inferior Vena Cava Pathological Anatomy Changes and Variations
Contrast-enhanced computed tomography and magnetic resonance imaging offer three-dimensional reconstructions that delineate the vessel’s course and detect pathological conditions. The vessel traverses the diaphragm through the caval hiatus at the level of the eighth thoracic vertebra, ultimately piercing the fibrous pericardium to empty into the right atrium.
Its thin wall and low pressure distinguish it from arteries, allowing it to act as a capacitance vessel. Additionally, the vessel is a vital landmark during procedures such as central venous catheterization, liver transplantation, and the placement of filters to prevent pulmonary embolism.
Inferior Vena Cava Pathological Anatomy Changes and Variations
Structural Relationships and Surrounding Organs Throughout its length, the inferior vena cava maintains specific spatial relationships with adjacent structures. Other variations include duplicated inferior vena cava, absence of the hepatic segment, or a preaortic confluence of the iliac veins, all of which necessitate careful consideration during surgical planning and image interpretation.
More About Inferior vena cava anatomy
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