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Abdomen » Liver & Biliary System
Ascaris in the gallbladder
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Author(s) :
Suresh Mohan, MD
 
Presentation A 54-year-old woman presented with colicky right upper quadrant pain. She was sent for an ultrasound to rule out gallstones. The following findings were observed.
 
 
 
Caption: Sagittal scan of RUQ
Description: The gallbladder is distended and shows the presence of a linear tubular echogenic structure. There is no posterior acoustic shadowing. The gallbladder wall appears normal.
 
 
 
Caption: Transverse scan of the gallbladder
Description: Tubular echogenic linear structure is seen in the gallbladder. This most likely represents a migrated worm.
 
 
Caption: Video clip of the gallbladder
Description: The gallbladder is distended and shows the presence of multiple linear echogenic tubular structures that seem to be freely floating within the lumen.
 
 
Caption: Video clip of the gallbladder
Description: The echogenic tubular structure that is freely mobile within the gallbladder lumen is again appreciated in this video clip. This structure is highly suggestive of worms that have migrated into the biliary system.
 
Differential Diagnosis Ascaris in the gallbladder
 
Final Diagnosis Ascaris in the gallbladder
 
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