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Segmental Anatomy Of Liver

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Segmental anatomy of the liver according to couinaud and bismuth. The left portal vein supplies couinaud segments i ii iii and iv.

Anatomy Of Liver Arteries For Interventional Radiology

Each segment has its own vascular inflow outflow and biliary drainage.

Segmental anatomy of liver. The differences were assessed quantitatively in five of the 10 livers. Segmental anatomy of liver. Proximal phalanx of 3rd finger right superior anterior segment segment viii.

Segmental anatomy of the liver an understanding of the segmental anatomy is now an essential part of the ultrasound examination of the liver. The common usage of the couinaud nomenclature allows for more accurate surgical planning and improved consistent. 7 the middle hepatic vein divides the liver into left and right lobes.

The ligamentum venosum is highlighted in orange. The couinaud classification of liver anatomy divides the liver into eight functionally independent segments. Hover over the images for highlighted anatomy.

Inferior and two posterior superior segments respectively. Liver segmentation is usually described according to the couinaud classification which divides the liver into eight functionally independent segments s1s8 based on third order portal vein distribution. Oblique left showing the ligamentum teres.

The most widely used classification is that described by claude couinaud a french surgeon. It is the preferred anatomy classification system as it divides the liver into eight independent functional units ter. The caudate lobe is a separate structure which receives blood flow from both the right and left sided vascular branches.

Liver segmental and subsegmental anatomy were determined on the ct scans according to customary radiologic practice guidelines. Porta hepatis is seen with an oblique angle 45degree rotation from the sagittal view to the transverse view. The couinaud classification of liver anatomy divides the liver into eight functionally indepedent segments.

Distal phalanx of 4th finger right inferior posterior segment segment vi. Proximal phalanx of 4th finger right superior posterior segment segment vii. Each segment has its own vascular inflow outflow and biliary drainage.

Segmental liver anatomy segmental liver anatomy the couinaud classification divides the liver into 8 functional segments. Similarly the left hemiliver comprises a left paramedian sector and a left lateral sector which are further sub divided into anterior inferior and posterior superior segments. In the centre of each segment there is a branch of the portal vein hepatic artery and bile duct.

The hepatic veins are found at the periphery of each segment whereas the center has branches of the portal veins hepatic arteries and bile ducts. Segmental anatomy according to couinaud. Ct anatomic findings were compared with authentic anatomic territories seen at anatomic examination.

The couinaud classification pronounced kwee no is currently the most widely used system to describe functional liver anatomy.

Anatomy Of Liver Arteries For Interventional Radiology