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Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging 5/2018

04.12.2017 | Original Article

Superiority of 68Ga-DOTATATE over 18F-FDG and anatomic imaging in the detection of succinate dehydrogenase mutation (SDHx )-related pheochromocytoma and paraganglioma in the pediatric population

verfasst von: Abhishek Jha, Alexander Ling, Corina Millo, Garima Gupta, Bruna Viana, Frank I. Lin, Peter Herscovitch, Karen T. Adams, David Taïeb, Adam R. Metwalli, W. Marston Linehan, Alessandra Brofferio, Constantine A. Stratakis, Electron Kebebew, Maya Lodish, Ali Cahid Civelek, Karel Pacak

Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging | Ausgabe 5/2018

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Abstract

Purpose

To evaluate and compare diagnostic performance of 68Ga-DOTA(0)-Tyr(3)-octreotate (68Ga-DOTATATE) with 18F–fluoro-2-deoxy-D-glucose (18F–FDG) positron emission tomography-computed tomography (PET/CT) and anatomic imaging using computed tomography and/or magnetic resonance (CT/MR) imaging in detection of SDHx-related pheochromocytomas and paragangliomas (PPGLs) in pediatric patients.

Methods

Nine pediatric patients (5:4, girls:boys; 14.6 ± 2.0 years) with an SDHx-related mutation (SDHB:SDHA:SDHD, n = 7:1:1) were included in this retrospective study. At the time of initial diagnosis, 7/9 patients had metastatic disease. They underwent CT/MR imaging along with PET/CT using 68Ga-DOTATATE (n = 9), 18F–FDG (n = 8), and positron emission tomography-magnetic resonance imaging (PET/MR) using 18F–FDG (n = 1). In this manuscript, 18F–FDG PET/CT refers to both 18F–FDG PET/CT and 18F–FDG PET/MR. The per-lesion, per-region, and per-patient detection rates were compared and calculated for each of the imaging modalities. A composite of all functional and anatomic imaging studies served as the imaging comparator.

Results

Eight out of nine patients were positive for PPGLs on the imaging studies that demonstrated 107 lesions in 22 anatomic regions on the imaging comparator. The per-lesion detection rates for 68Ga-DOTATATE PET/CT, 18F–FDG PET/CT, and CT/MR imaging were 93.5% (95%CI, 87.0% to 97.3%); 79.4% (95%CI, 70.5% to 86.6%); and 73.8% (95%CI, 64.5% to 81.9%), respectively. The per-lesion detection rate for 68Ga-DOTATATE PET/CT was significantly higher than that of 18F–FDG PET/CT (p = 0.001) or CT/MR imaging (p < 0.001). In all of the anatomic regions except abdomen, the per-lesion detection rates for 68Ga-DOTATATE PET/CT was found to be equal or superior to 18F–FDG PET/CT, and CT/MR imaging. The per-region detection rate was 100% (95%CI, 84.6% to 100%) for 68Ga-DOTATATE PET/CT and 90.9% (95%CI, 70.8% to 98.9%) for both 18F–FDG PET/CT and CT/MR imaging. The per-patient detection rates for 68Ga-DOTATATE PET/CT, 18FDG PET/CT, and CT/MR imaging were all 100% (95%CI, 63.1% to 100%).

Conclusion

Our preliminary study demonstrates the superiority of 68Ga-DOTATATE PET/CT in localization of SDHx-related PPGLs in pediatric population compared to 18F–FDG PET/CT and CT/MR imaging with the exception of abdominal (excluding adrenal and liver) lesions, and suggests that it might be considered as a first-line imaging modality in pediatric patients with SDHx-related PPGLs.
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Metadaten
Titel
Superiority of 68Ga-DOTATATE over 18F-FDG and anatomic imaging in the detection of succinate dehydrogenase mutation (SDHx )-related pheochromocytoma and paraganglioma in the pediatric population
verfasst von
Abhishek Jha
Alexander Ling
Corina Millo
Garima Gupta
Bruna Viana
Frank I. Lin
Peter Herscovitch
Karen T. Adams
David Taïeb
Adam R. Metwalli
W. Marston Linehan
Alessandra Brofferio
Constantine A. Stratakis
Electron Kebebew
Maya Lodish
Ali Cahid Civelek
Karel Pacak
Publikationsdatum
04.12.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Nuclear Medicine and Molecular Imaging / Ausgabe 5/2018
Print ISSN: 1619-7070
Elektronische ISSN: 1619-7089
DOI
https://doi.org/10.1007/s00259-017-3896-9

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