Dynamic MR imaging of the upper abdomen: timing optimization and pulse sequence selection

K. Yoshimitsu, H. Honda

    Research output: Contribution to journalReview articlepeer-review

    3 Citations (Scopus)

    Abstract

    Since breath-hold gradient-echo MR imaging was introduced, dynamic MR study has played an important role in the MR investigation of the upper abdomen. In this article, the importance of tailoring imaging delay in each individual patient is stressed, with special attention given to a logical aspect of setting delay time based upon the bolus transfer time obtained by test injection. Also discussed is the importance of selecting types and parameters of pulse sequence to maximize the enhancement effect. It should be noted that alteration of gadolinium concentration in vivo following intravenous injection could result in a large change in signal intensity change on one sequence but little change on another. Double-dose 3DFISP with tailored delay time utilizing the test injection method, which is currently used for dynamic MR imaging in our institute, is presented.

    Original languageEnglish
    Pages (from-to)408-413
    Number of pages6
    JournalNihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica
    Volume61
    Issue number8
    Publication statusPublished - Jul 2001

    All Science Journal Classification (ASJC) codes

    • Radiology Nuclear Medicine and imaging
    • Oncology

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