Coinauds Liver

 

                                                                        Claude Coinaud

Claude Couinaud (1922–2008) was a French anatomist and surgeon best known for describing the segmental anatomy of the liver, which revolutionized hepatobiliary surgery.

Couinaud Classification of the Liver

• Divided the liver into 8 functionally independent segments (I–VIII)
• Each segment has:
• Its own portal vein, hepatic artery, and bile duct
• Independent vascular inflow and outflow
• This made precise surgical removal (segmentectomy) possible without damaging the rest of the liver
• Forms the basis of:
• Modern liver surgery
• Radiological reporting (CT/MRI)
• Tumor localization (e.g., hepatocellular carcinoma)  

                                                                     

 

 

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