Common bile duct worm

Case contributed by Dr Faheemullah Khan

Presentation

Right hypochondrial dull pain

Patient Data

Age: 50 Years
Gender: Female
Ultrasound

Abdominal scan in left lateral position revealed double linear echogenic wall tubular structure with no posterior shadowing in the proximal common bile duct, common hepatic duct and right hepatic duct. Common bile duct measures 7 mm in diameter. No intrahepatic bile ducts dilatation.

Case Discussion

Parasitic infestation is common in this part of the world (India and Pakistan). The most common of them is the roundworm infestation. The commonest species is Ascaris lumbricoides. It commonly resides in the intestine, but rarely moves to the hepatobiliary system. On ultrasound, it appears as a double linear echogenic wall structure. In this patient, the classic picture can be seen.

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Case information

rID: 66772
Published: 8th Mar 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Hayatabad Medical Complex

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