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Abstract #1344

Measuring the Impact of Pineapple Juice on Quantitative Liver MRI Metrics cT1, Iron and PDFF at 1.5T and 3T

Yi-Chun Wang1,2, Faezeh Sanaei-Nezhad1, Joao Peixoto1, Carolina Fernandes1, Alex Smith1, Matthew Robson1, and Rajarshi Banerjee1
1Perspectum Ltd., Oxford, United Kingdom, 2University of Oxford, Oxford, United Kingdom


Pineapple juice (PJ) is used in Magnetic Resonance Cholangiopancreatography to suppress gastrointestinal tract signals. To explore how PJ affects multiparametric liver MRI, 30 participants underwent scans before and after ingesting PJ. Image data were analysed with LiverMultiScan (yielding iron corrected T1 (cT1), iron, and PDFF) and statistically compared. The changes post PJ administration were statistically significant for cT1 at both 1.5T and 3T but not for iron and PDFF. However, the repeatability analysis indicates the post PJ administration cT1 changes were smaller than the repeatability limits of agreement, suggesting that PJ has neglect-able clinical effect on multiparametric liver MRI.

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