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Title
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FDG-PET/CT for treatment response assessment in head and neck squamous cell carcinoma: a systematic review and meta-analysis of diagnostic performance
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Author
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Abstract
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| Purpose 18-fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) is increasingly used to evaluate treatment response in head and neck squamous cell carcinoma (HNSCC). This analysis assessed the diagnostic value of FDG-PET/CT in detecting nodal disease within 6 months after treatment, considering patient and disease characteristics. Methods A systematic review was performed using the MEDLINE and Web of Knowledge databases. The results were pooled using a bivariate random effects model of the sensitivity and specificity. Results Out of 22 identified studies, a meta-analysis of 20 studies (1293 patients) was performed. The pooled estimates of sensitivity, specificity and diagnostic odds ratio (with 95% CI) were 85% (76-91%), 93% (89-96%) and 76 (35-165), respectively. With the prevalence set at 10%, the positive and negative predictive values were 58% and 98%. There was significant heterogeneity between the trials (p < 0.001). HPV positive tumors were associated with lower sensitivity (75% vs 89%; p = 0.01) and specificity (87% vs 95%; p < 0.005). Conclusion FDG-PET/CT within 6 months after (chemo) radiotherapy in HNSCC patients is a reliable method for ruling out residual/recurrent nodal disease and obviates the need for therapeutic intervention. However, FDG-PET/CT may be less reliable in HPV positive tumors and the optimal surveillance strategy remains to be determined. |
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Language
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English
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Source (journal)
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European journal of nuclear medicine and molecular imaging. - Heidelberg, 2002, currens
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Publication
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New york
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Springer
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2018
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ISSN
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1619-7070
[print]
1619-7089
[online]
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Volume/pages
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45
:6
(2018)
, p. 1063-1071
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ISI
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000430832400019
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Pubmed ID
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29478080
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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