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Abstract #4242

Ultra-low-field Abdominal MRI Using Pineapple Juice as Oral Contrast Agent: A Preliminary Study

Yujiao Zhao1,2, Shi Su1,2, Ye Ding1,2, Junhao Zhang1,2, Xuehong Lin1,2, Jiahao Hu1,2, Alex T. L. Leong1,2, and Ed X. Wu1,2
1Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Hong Kong, China, 2Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China

Synopsis

Keywords: Low-Field MRI, Low-Field MRI, abdominal MRI; oral contrast agent

Motivation: Recent ultra-low-field (ULF) MRI technology developments show the potential of a new class of low-cost, low-maintenance, and portable MRI scanners for accessible and point-of-care clinical applications.

Goal(s): To evaluate the feasibility of using pineapple juice as oral contrast agent in 0.05T abdominal MRI.

Approach: T1W and T2W abdominal imaging was performed in healthy volunteers before, and 5 min, 15 min and 25 min after ingestion of 300 ml of pineapple juice, on a newly developed shielding-free 0.05T whole-body MRI scanner.

Results: Pineapple juice acted as a positive contrast agent in T1W abdominal imaging, while a negative contrast agent in T2W abdominal imaging.

Impact: We evaluate the initial feasibility of using pineapple juice as a natural oral contrast agent for 0.05T abdominal MRI. The developments can advance ultra-low-field abdominal MRI, potentially offering a more accessible, cost-effective and patient-friendly approach to address numerous clinical needs.

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Keywords