看這個圖

肝內膽管正常。總膽管大。

http://en.wikipedia.org/wiki/Common_bile_duct

1. Bile ducts: 2. Intrahepatic bile ducts, 3. Left and right hepatic ducts, 4. Common hepatic duct, 5.Cystic duct, 6. Common bile duct, 7. Ampulla of Vater, 8. Major duodenal papilla
9. Gallbladder, 10–11. Right and left lobes of liver. 12.Spleen.
13. Esophagus. 14. Stomach. Small intestine: 15.Duodenum, 16. Jejunum
17. Pancreas: 18: Accessory pancreatic duct, 19:Pancreatic duct.
20–21: Right and left kidneys (silhouette).
The anterior border of the liver is lifted upwards (brown arrow). Gallbladder with Longitudinal section, pancreas and duodenum with frontal one. Intrahepatic ducts and stomach in transparency.

所有跟帖： 

• 清楚了，為什麽會大呢？需要注意什麽嗎？謝謝！ -這個問題問得好- ♀ (0 bytes) () 08/14/2014 postreply 10:57:55

• 這個請與您的醫生具體討論。 -26484915- ♂ (18 bytes) () 08/14/2014 postreply 11:00:02

• 謝謝！我還以為你是醫生呢，懂這麽多：） -這個問題問得好- ♀ (0 bytes) () 08/14/2014 postreply 11:02:20

• 不客氣。工作和醫有點關係。 -26484915- ♂ (0 bytes) () 08/14/2014 postreply 12:50:34