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DOI: 10.1055/a-2195-0138
Red Bull PET/CT
Red Bull PET/CTSupported by: German Research Foundation 453989101,507803309Supported by: Okayama University “RECTOR”
Supported by: Japan Society for the Promotion of Science 22H03027
Abstract
We report on a patient diagnosed with Hodgkin Lymphoma who was scheduled for [18F]FDG PET/CT as part of routine follow-up after treatment with two cycles of chemotherapy and mediastinal external beam radiation. Although the patient was advised to fast for at least four hours, an energy drink (Red Bull ) was ingested right after radiotracer administration, which led to increased uptake in the large skeletal muscles, thereby rendering this scan as non-diagnostic. After strictly following respective dietary recommendations, the repeated scan then provided excellent image quality and revealed response to treatment. In the present case report, we discuss the impact of major ingredients (sugar, caffeine, taurine, glucuronolactone) of Red Bull on large muscle uptake, which may also apply to “sugar-free” types of this popular energy drink. Moreover, this case reports demonstrates the importance to inform patients that they should avoid intake of energy drinks not only prior to but also after injection of [18F]FDG.
Publication History
Received: 15 August 2023
Accepted: 21 September 2023
Article published online:
22 December 2023
© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).
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