CT肝脏分段PPT.pptVIP

Liver segment in CT scan Background In the late of 19th century ,people divided the Liver into left lobe,right lobe ,quadrate lobe and caudate lobe because of the shape of liver. In Cantlie’s report,which was published in 1888, he think liver is made of two parts considering the blood supply from the portal vein.That is left Lobe and right lobe. Background In 1952,Healey and Schroy, who were the american anatomist, divided the liver into hemiliver, section and segment contrasting lung. This was developed by Goldsmith and Woodbourne in 1957,who changed the areas into subsegment. This system is based on hepatic a. and bile duct. Now this method is used in a lot of English countries Background Now in china, the most popular is Couinaud’s. He was a liver surgeon and anatomist. And he divided the liver into 8 parts based on portal vein and liver vein. These reports were appeared on 1953. The content of Couinaud’s liver segment We can divide the liver in to 8 parts with the three vertical planes, which are made of the liver vein, and the horizontal plane made of portal vein. The content of Couinaud’s liver segment The method A simple method to memorize the liver segment in CT scan: Above the porta hepatis, there is VII , VIII, IV and II arraying deasil. Below the porta hepatis, there is VI, V, IV, and III arraying deasil. Segment I is caudate lobe What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan What Can We Get Form the CT Scan We can also find it in MRI scan We can also find it in MRI scan News A terminology of Li