From the case: Biliary ascariasis

Look for a charac...
Axial T2
Look for a characteristic thin curvilinear structure in one of the images, apart from coarse irregular structures.
Modality: MRI (T2)

- “ While the common bile duct stones mostly appear as discrete and round signal voids, biliary ascariasis, as expected, are seen as curvilinear tubul...”

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