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Published in: Annals of Nuclear Medicine 10/2022

14-07-2022 | Computed Tomography | Original Article

Pretreatment [18F]FDG PET/CT and MRI in the prognosis of nasopharyngeal carcinoma

Authors: Amina Gihbid, Ghofrane Cherkaoui Salhi, Imane El Alami, Hasnaa Belgadir, Nezha Tawfiq, Karima Bendahou, Mohammed El Mzibri, Rachida Cadi, Naima El Benna, Amal Guensi, Meriem Khyatti

Published in: Annals of Nuclear Medicine | Issue 10/2022

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Abstract

Objective

The present study aimed to assess the prognostic interest of metabolic and anatomic parameters derived from 2-deoxy-2-[18F]fluoro-d-glucose positron emission tomography/computed tomography ([18F]FDG PET/CT) and head and neck magnetic resonance imaging (HN-MRI) for better management of nasopharyngeal carcinoma (NPC).

Methods

In this study, pre-treatment [18F]FDG PET/CT and HN-MRI parameters of NPC patients diagnosed between January 2017 and December 2018, were prospectively investigated. Correlation between those parameters and 4-year patient’s survival outcomes was evaluated using Kaplan–Meier and Cox-regression analyses.

Results

Our results revealed a significant association between pre-treatment nodal-maximum standardized uptake value (N-SUV max) and N categories (p = 0.01), between pre-treatment node-to-tumor SUV ratio (NTR) and both tumor size (p = 0.01) and N categories (p = 0.009), as well as between metabolic tumor volume (MTV) and both tumor size and NPC overall stage (p < 0.000). In multivariate analyses, pre-treatment N-SUV max, NTR and MTV were significant independent predictors of overall survival, distant metastasis-free survival, and progression-free survival (PFS) (p < 0.05). N-SUV max and MTV were also found to be significant independent predictors of loco-regional recurrence-free survival (p < 0.05), whereas HN-MRI detection of skull-base bone invasion was an independent factor associated with worse PFS in NPC (p = 0.03).

Conclusions

The present study highlights N-SUV max, NTR and MTV derived from [18F]FDG PET/CT, and skull-base bone invasion defined by HN-MRI, as promising metabolic and anatomic prognosis biomarkers for NPC.
Appendix
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Metadata
Title
Pretreatment [18F]FDG PET/CT and MRI in the prognosis of nasopharyngeal carcinoma
Authors
Amina Gihbid
Ghofrane Cherkaoui Salhi
Imane El Alami
Hasnaa Belgadir
Nezha Tawfiq
Karima Bendahou
Mohammed El Mzibri
Rachida Cadi
Naima El Benna
Amal Guensi
Meriem Khyatti
Publication date
14-07-2022
Publisher
Springer Nature Singapore
Published in
Annals of Nuclear Medicine / Issue 10/2022
Print ISSN: 0914-7187
Electronic ISSN: 1864-6433
DOI
https://doi.org/10.1007/s12149-022-01770-4

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