Imaging of common bile duct by linear endoscopic ultrasound

Figure 8 Hilum imaging from duodenal bulb. A: Imaging from duodenal bulb shows the proximity of CBD to the probe. The middle and upper 1/3^rd of CBD and CHD dividing into RHD and LHD are seen. The RHD (average length 0.9 cm) and left hepatic duct (Average length 1.7 cm) unite in the hilar plate, close to the right end of porta in front of right branch of portal vein, to form the CHD; B: In this case it is possible to see the segmental ducts to segment 2, 3 and 4 through upper 1/3^rd of CBD. CBD: Common bile duct; CHD: Common hepatic duct; RHD: Right hepatic duct; LHD: Left hepatic duct.