Ultrasound Diagnosis of Biliary Ascariasis
AMORNRAT YOOSAMRAN, M.D.*
Affiliation : * Department of Radiology, Songkhla Hospital, Songkhla 90100, Thailand.
Abstract Two patients with right upper quadrant pain underwent real time ultrasound examination and biliary ascariasis was diagnosed. One case was confirmed by endoscopic retrograde cho- langiopancreatography with removal of the parasites, and the other by intravenous cholangio- graphy. Patients with ascariasis in the bile duct occasionally presenting with atypical right upper quadrant abdominal pain can be diagnosed accurately by real time ultrasound, which shows the movement of the worms.
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