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CT virtual endoscopy of the ampulla of Vater: preliminary report

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Abstract

Aim

To explore multi-slice spiral CT (MSCT) virtual endoscopy (CTVE) in the detection of Vater’s ampulla lesions.

Methods

In addition to 30 healthy volunteers, 18 cases of common bile duct stones, and 7 cases of ampullary carcinoma were scanned with MSCT including virtual endoscopy (VE) reconstruction. Patterns of the duodenal papilla were then observed, and its size was measured.

Results

Reconstructed images of CTVE in the volunteers showed that the normal type of the duodenal papilla was nodular in 16 cases, V-shaped in 8 cases, and Y-shaped in 6 cases. Its mean diameter was 0.84 ± 0.17 cm in the healthy volunteers; in patients with common bile duct stones of nodular type, mean diameter was 1.72 ± 0.32 cm. In ampullary cancer patients with an irregular protruded type, its diameter was 2.30 ± 0.85 cm, Overall the mean differences between the groups were statistically significant (P < 0.001).

Conclusion

CTVE is a convenience, no-wound, and precise clinical examination mode utilizing which the shape of duodenal papilla can be observed, and size of the latter can be measured.

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Acknowledgments

The authors thank the radiology departments, clinical colleagues, and the hospital leadership for support in the research process. Finally, special thanks to the Professor Xue Yanshan, the Second Hospital of Shanxi Medical University for his help in all aspects.

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Authors and Affiliations

  1. Department of Radiology, North China Petroleum Bureau General Hospital, Renqiu, 062552, Hebei, China

    Zhi-Jun Guo, Yan-Fang Chen, Yu-Huan Zhang, Xue-Rong Zi, Jun-Ying Lu, Ming-Hui An & Yi-Jun Wang

  2. Department of General Surgery, North China Petroleum Bureau General Hospital, Renqiu, 062552, Hebei, China

    Fan-Jie Meng & Bin Cao

  3. Department of Oncology, North China Petroleum Bureau General Hospital, Renqiu, 062552, Hebei, China

    Qiang Lin

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  1. Zhi-Jun Guo
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  2. Yan-Fang Chen
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  10. Yi-Jun Wang
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Correspondence to Zhi-Jun Guo.

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Guo, ZJ., Chen, YF., Zhang, YH. et al. CT virtual endoscopy of the ampulla of Vater: preliminary report. Abdom Imaging 36, 514–519 (2011). https://doi.org/10.1007/s00261-010-9644-2

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  • DOI: https://doi.org/10.1007/s00261-010-9644-2

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