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C-0275 - Unique features of gastritis due to Helicobacter pylori infection on T2WI acquired using 3.0-Tesla MRI with negative oral contrast agent

H. Kanazawa, K. Utano, H. Sugimoto; Shimotsuke/JP Type: Scientific Exhibit
Area of Interests: Gastrointestinal tract, Stomach (incl. Esophagus), Abdomen
Imaging Technique: MR
Procedures: Contrast agent-oral, Endoscopy, Diagnostic procedure
Special Focuses: Infection, Inflammation
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Aims and objectives: The highest incidence of gastric cancer can be found in Japan, representing the second most common cause of cancer death for males and the third most common cause of cancer death for women in 2014 [1]. The most important risk factors for gastric cancer are thought to be smoking, excess intake of sod[...]

Methods and materials: Study population This study was a retrospective review of 824 patients who had undergone MRCP with a negative oral contrast agent between January 2013 and December 2015. Written informed consent for MRI and upper gastrointestinal endoscopy were routinely obtained from all patients prior to each exa[...]

Results: Out of the 824 patients, 25 had positive findings of high-intensity layer on T2WI. Of these, 13 patients had no corresponding endoscopy examination. Therefore 12 patients were considered for the analysis. 9 out of the 12 patients had positive findings of H. Pylori infection on the endoscopic examina[...]

Conclusion: To the best of our knowledge, this is the first mention of a possible correlation between H. pylori infection and MRI and endoscopic findings. A significantly high-intensity layer on the gastric mucosa of patients on T2WI may correlate with gastritis caused by H. pylori infection. Detection of this [...]

Personal information: Hidenori Kanazawa M.D, Ph.D, Department of Radiology, Jichi Medical University, Shimotsuke, JAPAN; r0713hk@jichi.ac.jp Kenichi Utano M.D, Ph.D, Department of Coloproctology, Aizu Medical Center, Aizuwakamatsu, JAPAN   Hideharu Sugimoto M.D, Ph.D, Department of Radiology, Jichi Medic[...]

References: 1.The Editorial Board of Cancer Statistics in Japan, ed. Cancer statistics in Japan 2015. Tokyo: Foundation for Promotion of Cancer Research (FPCR), 2015. 2.IARC. Agent Classified by the TARC Monographs, List of Classification. http://monographs.iarc.fr/ENG/Classification/   3.Plummer M, de M[...]

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