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Value of MRCP using oral Gd-DTPA as negative contrast materials in diagnosis of atypical juxtapapillary duodenal diverticulum

  • Jingshan Gong
    Correspondence
    Corresponding author. Department of Radiology, Shenzhen People's Hospital, Second Clinical College, Jinan University, Shenzhen 518020, P.R. China. Tel.: +86 755 25533018x2598(O), +86 13631635669(M); fax: +86 755 82606036.
    Affiliations
    Department of Radiology, Shenzhen People's Hospital, Second Clinical College, Jinan University, Shenzhen, 518020 Guangdong Province, P.R. China
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  • Hong Zhao
    Affiliations
    Department of Radiology, Fifth Affiliated Hospital, Zhongshan University, Zhuhai 519000, Guangdong Province, P.R. China
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  • Te Liu
    Affiliations
    Department of Radiology, Shenzhen People's Hospital, Second Clinical College, Jinan University, Shenzhen, 518020 Guangdong Province, P.R. China
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  • Rennan Ling
    Affiliations
    Department of Radiology, Shenzhen People's Hospital, Second Clinical College, Jinan University, Shenzhen, 518020 Guangdong Province, P.R. China
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  • Jianmin Xu
    Affiliations
    Department of Radiology, Shenzhen People's Hospital, Second Clinical College, Jinan University, Shenzhen, 518020 Guangdong Province, P.R. China
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      Abstract

      Objective

      To investigate value of magnetic resonance cholangiopancreatography (MRCP) using oral diluted gadolinium (Gd)-diethylenetriamine penta-acetic acid (DTPA) as negative contrast materials in diagnosis of juxtapapillary duodenal diverticulum with atypical imaging features.

      Methods

      Nineteen patients with juxtapapillary duodenal diverticula of which imaging findings were atypical underwent MRCP using oral diluted Gd-DTPA as negative contrast materials after conventional MRCP without any oral contrast materials.

      Results

      Twenty diverticula were revealed in the 19 patients. At conventional MRCP, the diverticula appeared as rounded lesion with high signal intensity. After oral administration of diluted Gd-DTPA, they disappeared at MRCP. These entities were diagnosed as duodenal diverticula for they communicate with duodenal lumen.

      Conclusion

      MRCP using oral Gd-DTPA as negative contrast materials can be helpful in obtaining definitive diagnosis of those juxtapapillary duodenal diverticula without typical imaging features.

      Keywords

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