肝脏解剖与常见病影像诊断课件.ppt

The Hepatic Lesion: Radiologic Assessment The Affiliatred hospital of NBU Wang JIANHUA woxingw@ 2014-12-29 CASE Objectives Objectives ?? Normal liver anatomy Normal liver anatomy ?? Imaging techniques Imaging techniques ?? Common diseases imaging mon diseases imaging diagnosis ?? Diffuse diseases Diffuse diseases ?? Focal diseases Focal diseases Anatomy of the liver segments Anatomy of the liver segments ?? Two different aspects: morphological anatomy Two different aspects: morphological anatomy and functional anatomy. and functional anatomy. ?? C. Couinaud (1957) divided the liver into eight C. Couinaud (1957) divided the liver into eight functionally indepedent segments. functionally indepedent segments. ?? This classification will be presented here with This classification will be presented here with several illustrations. several illustrations. Couinaud classification Couinaud classification ?? Divides the liver into eight functionally indepedent Divides the liver into eight functionally indepedent segments. segments. ?? Each segment has its own vascular inflow, outflow and Each segment has its own vascular inflow, outflow and biliary drainage. biliary drainage. ?? In the centre of each segment there is a branch of the In the centre of each segment there is a branch of the portal vein, hepatic artery and bile duct. portal vein, hepatic artery and bile duct. ?? In the periphery of each segment there is vascular In the periphery of each segment there is vascular outflow through the hepatic veins. outflow through the hepatic veins. Porta hepatis Second Porta hepatis