Abdominal Imaging

, Volume 32, Issue 1, pp 66–72 | Cite as

A new 3-D diagnosis strategy for duodenal malignant lesions using multidetector row CT, CT virtual duodenoscopy, duodenography, and 3-D multicholangiography

Article

Abstract

Recent advances in multidetector row computed tomography (MD-CT) technology provide new opportunities for clinical diagnoses of various diseases. Here we assessed CT virtual duodenoscopy, duodenography, and three-dimensional (3D) multicholangiography created by MD-CT for clinical diagnosis of duodenal malignant lesions. The study involved seven cases of periduodenal carcinoma (four ampullary carcinomas, two duodenal carcinomas, one pancreatic carcinoma). Biliary contrast medium was administered intravenously, followed by intravenous administration of an anticholinergic agent and oral administration of effervescent granules for expanding the upper gastrointestinal tract. Following intravenous administration of a nonionic contrast medium, an upper abdominal MD-CT scan was performed in the left lateral position. Scan data were processed on a workstation to create CT virtual duodenoscopy, duodenography, 3D multicholangiography, and various postprocessing images, which were then evaluated for their effectiveness as preoperative diagnostic tools. Carcinoma location and extent were clearly demonstrated as defects or colored low-density areas in 3-D multicholangiography images and as protruding lesions in virtual duodenography and duodenoscopy images. These findings were confirmed using multiplanar or curved planar reformation images. In conclusion, CT virtual duodenoscopy, doudenography, 3-D multicholangiography, and various images created by MD-CT alone provided necessary and adequate preoperative diagnostic information.

Keywords

CT virtual duodenoscopy CT virtual doudenograph Three-dimensional multicholangiography Duodenal cancer Pancreatic cancer Curved planar reformation 

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • N. Sata
    • 1
  • K. Endo
    • 1
  • K. Shimura
    • 1
  • M. Koizumi
    • 1
  • H. Nagai
    • 1
  1. 1.Department of SurgeryJichi Medical UniversityMinami-kawachiJapan

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