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Abdomen » Liver & Biliary System
Cystic duct remnant in the common hepatic duct
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Author(s) :
Chaitali Shah, FRCR
 
Presentation A post liver transplant patient presents with nausea, vomiting and abdominal pain. An abdominal ultrasound was performed and the following incidental finding was noted.
 
 
 
Caption: Oblique image of the right upper quadrant
Description: The common hepatic duct shows the presence of a non-mobile, sub-centimeter echogenic density.
 
 
 
Caption: Magnified image of the common hepatic duct
Description: The arrowheads point to the echogenic intraluminal density within the hepatic duct. There is no associated acoustic shadowing and the structure is devoid of any color.
 
 
 
Caption: Another magnified view of the common hepatic duct
Description: The echogenic intraluminal density is noted again.
 
Differential Diagnosis Invaginated cystic duct remnant, intraluminal clot, non-shadowing calculus
 
Final Diagnosis Invaginated cystic duct remnant
 
Follow Up An ERCP was performed which showed contrast in the biliary system and normal caliber ducts. The cystic duct remnant was noted within the common hepatic duct.
 
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