Nippon Shokakibyo Gakkai Zasshi
Online ISSN : 1349-7693
Print ISSN : 0446-6586
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Volume 101, Issue 12
Displaying 1-10 of 10 articles from this issue
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Review article
Monthly report; Progress in Gastroenterology & Hepatology
The value of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) in gastrointestinal oncology
Original article
  • Influence of urease activity of the oral cavity and oropharynx on 13C-urea breath test
    Nozomu SANO, Shuichi OHARA, Tomoyuki KOIKE, Hitoshi SEKINE, Akira IMAT ...
    Article type: Others
    Subject area: Others
    2004 Volume 101 Issue 12 Pages 1302-1308
    Published: 2004
    Released on J-STAGE: May 13, 2005
    DOIhttps://doi.org/10.11405/nisshoshi.101.1302
    JOURNAL FREE ACCESS
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    We examined whether 13C-urea breath test with powdered 13C-Urea is affected with urease activity in the oral cavity and oropharynx in H. pylori negative cases. We also examined whether the degree of gargling affects the results of 13C-UBT. The results demonstrated that the urease activity not only in the oral cavity, but in the oropharynx may influence the UBT value.
    Therefore, it is possible that the UBT value may be affected with relic urease activity in the oropharynx if only the oral cavity is gargled.
    In conclusion, Gargling of the oropharynx in addition to the oral cavity is important to obtain true negative diagnosis with 13C-UBT in patients without Helicobacter pylori infection.
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Case Report
Lesson from a case
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