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Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging 13/2018

28.07.2018 | Original Article

Local and whole-body staging in patients with primary breast cancer: a comparison of one-step to two-step staging utilizing 18F-FDG-PET/MRI

verfasst von: Julian Kirchner, Johannes Grueneisen, Ole Martin, Mark Oehmigen, Harald H. Quick, Ann-Kathrin Bittner, Oliver Hoffmann, Marc Ingenwerth, Onofrio Antonio Catalano, Philipp Heusch, Christian Buchbender, Michael Forsting, Gerald Antoch, Ken Herrmann, Lale Umutlu

Erschienen in: European Journal of Nuclear Medicine and Molecular Imaging | Ausgabe 13/2018

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Abstract

Objectives

The purpose of this study was to compare the diagnostic value of a one-step to a two-step staging algorithm utilizing 18F-FDG PET/MRI in breast cancer patients.

Methods

A total of 38 patients (37 females and one male, mean age 57 ± 10 years; range 31–78 years) with newly diagnosed, histopathologically proven breast cancer were prospectively enrolled in this trial. All PET/MRI examinations were assessed for local tumor burden and metastatic spread in two separate reading sessions: (1) One-step algorithm comprising supine whole-body 18F-FDG PET/MRI, and (2) Two-step algorithm comprising a dedicated prone 18F-FDG breast PET/MRI and supine whole-body 18F-FDG PET/MRI.

Results

On a patient based analysis the two-step algorithm correctly identified 37 out of 38 patients with breast carcinoma (97%), while five patients were missed by the one-step 18F-FDG PET/MRI algorithm (33/38; 87% correct identification). On a lesion-based analysis 56 breast cancer lesions were detected in the two-step algorithm and 44 breast cancer lesions could be correctly identified in the one-step 18F-FDG PET/MRI (79%), resulting in statistically significant differences between the two algorithms (p = 0.0015). For axillary lymph node evaluation sensitivity, specificity and accuracy was 93%, 95 and 94%, respectively. Furthermore, distant metastases could be detected in seven patients in both algorithms.

Conclusion

The results demonstrate the necessity and superiority of a two-step 18F-FDG PET/MRI algorithm, comprising dedicated prone breast imaging and supine whole-body imaging, when compared to the one-step algorithm for local and whole-body staging in breast cancer patients.
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Metadaten
Titel
Local and whole-body staging in patients with primary breast cancer: a comparison of one-step to two-step staging utilizing 18F-FDG-PET/MRI
verfasst von
Julian Kirchner
Johannes Grueneisen
Ole Martin
Mark Oehmigen
Harald H. Quick
Ann-Kathrin Bittner
Oliver Hoffmann
Marc Ingenwerth
Onofrio Antonio Catalano
Philipp Heusch
Christian Buchbender
Michael Forsting
Gerald Antoch
Ken Herrmann
Lale Umutlu
Publikationsdatum
28.07.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Nuclear Medicine and Molecular Imaging / Ausgabe 13/2018
Print ISSN: 1619-7070
Elektronische ISSN: 1619-7089
DOI
https://doi.org/10.1007/s00259-018-4102-4

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