
Bile duct dilatation | Radiology Reference Article | Radiopaedia.org
Dec 19, 2025 · Focal dilatation may be a result of downstream stricture, or damage to the elasticity of that segment of the bile duct, possibly from prior stone passage. Color Doppler …
Dilated common bile duct - ultrasound - Radiopaedia.org
Dilatation of common bile duct seen in its entire extension that slightly tapers down at the head of the pancreas. Diameter measuring up to 1.5 cm. No choledocholithiasis. Ultrasound showing …
Sphincter of Oddi dysfunction | Radiology Reference Article ...
Jan 9, 2025 · Sphincter of Oddi dysfunction is where a structural stenosis or dyskinesia of the sphincter of Oddi obstructs drainage from the common bile duct (CBD).
Common bile duct | Radiology Reference Article | Radiopaedia.org
Sep 18, 2025 · On ultrasound, it is not always possible to confidently see where the cystic duct enters the common hepatic duct to form the common bile duct. Therefore it is common …
type I | Radiology Reference Article - Radiopaedia.org
Jun 7, 2024 · Type I choledochal cysts appear as a fusiform or cystic dilatation of the extrahepatic biliary system (common bile duct +/- common hepatic duct).
Cystic duct dilation from obstructed CBD stent
CT of the abdomen demonstrates a stent located within the common bile duct (CBD) and an elongated cystic structure located adjacent to the CBD proper. Surgical clips are seen at the …
Distal cholangiocarcinoma - common bile duct - Radiopaedia.org
Mar 10, 2023 · Intra- and extra-hepatic duct dilatation. Mid common bile duct stricture with mural thickening and enhancement. CBD wall also demonstrates abnormal restricted diffusion. …
Choledocholithiasis causing intrahepatic biliary duct dilation
There is obstruction at the distal CBD with dilatation of the proximal CBD and intrahepatic biliary system. The hyperintense bile produces a "convex margin" at the site of obstruction which is …
Common hepatic duct | Radiology Reference Article
Jul 5, 2024 · It is not always possible to confidently see where the cystic duct enters the common hepatic duct to form the common bile duct on ultrasound imaging. Therefore, some commonly …
Choledocholithiasis | Radiology Reference Article | Radiopaedia.org
Dec 4, 2025 · Choledocholithiasis denotes the presence of gallstones within the bile ducts, including the common hepatic duct / common bile duct.