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Biliary ascariasis: CT, MR cholangiopancreatography, and navigator endoscopic appearance—report of a case of acute biliary obstruction

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Abstract

A case of acute common bile duct obstruction caused by a roundworm in a 6-year-old girl is reported. Computed tomography (CT) and magnetic resonance imaging (MRI) showed “bull's-eye” and “eye-glass” appearances of the ascaris in the common bile duct. On reformation of the transverse CT and coronal MR images, the tubular Ascaris was better depicted. MRI and navigator endoscopic demonstrations of the common bile duct ascaris have not been described previously in the literature. These CT and MRI findings may be helpful in the diagnosis of Ascaris.

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Authors and Affiliations

  1. Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Lin-Kou, 5 Fu-Hsing Street, Kwei-Shan Hsiang, Tao-Yuan Hsien, Taiwan, Republic of China,, Republic of China

    K.-K. Ng, H.-F. Wong, C.-F. Tan & Y.-L. Wan

  2. Department of Pediatrics, Chang Gung Memorial Hospital, Lin-Kou Medical Center, Taiwan, Republic of China,, Republic of China

    M.-S. Kong

  3. MRI Center, St. Joseph's Medical Center, Burbank, CA 91505, USA, US

    L. C. Chiu

Authors
  1. K.-K. Ng
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  2. H.-F. Wong
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  3. M.-S. Kong
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  4. L. C. Chiu
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  5. C.-F. Tan
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  6. Y.-L. Wan
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Received 6 November 1998/Accepted 14 December 1998

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Ng, KK., Wong, HF., Kong, MS. et al. Biliary ascariasis: CT, MR cholangiopancreatography, and navigator endoscopic appearance—report of a case of acute biliary obstruction. Abdom Imaging 24, 470–472 (1999). https://doi.org/10.1007/s002619900542

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  • DOI: https://doi.org/10.1007/s002619900542

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