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. 2025 May;52(6):1939-1941.
doi: 10.1007/s00259-024-06998-y. Epub 2024 Nov 26.

Flip-flop phenomenon on dual SSTR PET and amino acid PET in a case of recurrent meningioma with malignant transformation

Adrien Holzgreve  1   2 , Patrick N Harter  3   4   5 , Robert Forbrig  6 , Stefanie Quach  7 , Niklas Thon  4   7 , Christian Schichor  4   7 , Joerg-Christian Tonn  4   5   7 , Maximilian Niyazi  8   9   10   11 , Matthias Brendel  12   4   5   13   14 , Louisa von Baumgarten  4   5   7 , Nathalie L Albert  12   4   5
Affiliations

Flip-flop phenomenon on dual SSTR PET and amino acid PET in a case of recurrent meningioma with malignant transformation

Adrien Holzgreve et al. Eur J Nucl Med Mol Imaging. 2025 May.
No abstract available

Keywords: Dedifferentiation; Differential diagnosis; PET imaging; Somatostatin receptor; [18F]FET; [18F]SiTATE.

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Conflict of interest statement

Declarations. Ethics approval: The analysis was performed in compliance with the principles of the Declaration of Helsinki. No identifiable patient data is included in the manuscript, in this respect the right to informational self-determination is not affected. The patient provided written informed consent for the imaging studies within clinical routine. In accordance with the ethics committee of the Ludwig-Maximilians-University of Munich this work is not subject to review. Competing interests: AH reports compensation for scientific consulting by ABX advanced biochemical compounds. JCT reports travel cost reimbursement from Servier. MB received consulting/speaker honoraria from Life Molecular Imaging, GE healthcare, and Roche, and reader honoraria from Life Molecular Imaging. NLA has received honoraria for consultation or advisory board participation from Novartis, Advanced Accelerator Applications, Servier, and Telix Pharmaceuticals; and has received research funding from Novocure. The remaining authors have no relevant financial or non-financial interests to disclose.

References

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    1. Sahm F, Aldape KD, Brastianos PK, Brat DJ, Dahiya S, von Deimling A, et al. cIMPACT-NOW update 8: clarifications on molecular risk parameters and recommendations for WHO grading of meningiomas. Neuro Oncol. 2024. 10.1093/neuonc/noae170. - PMC - PubMed

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