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Tumor Glucose Metabolism and Its Heterogeneity on F-18 FDG PET/CT Provide Better Prognostication in Nonmetastatic Human Papillomavirus-Related Oropharyngeal Squamous Cell Carcinoma

 Hojin Cho  ;  Soyoung Kim  ;  Kwanhyeong Jo  ;  Yong Hyu Jeong  ;  Won Jun Kang 
 CANCERS, Vol.13(21) : 5538, 2021-11 
Journal Title
Issue Date
DG ; PET/CT ; oropharyngeal carcinoma ; prognosis
Background: We aimed to evaluate the prognostic role of metabolic parameters on baseline F-18 fluorodeoxyglucose (FDG) PET/CT in patients with human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC).

Methods: We retrospectively reviewed patients who were diagnosed with nonmetastatic HPV-related OPSCC using the 8th TNM staging system from 2010 to 2015 and underwent baseline F-18 FDG PET/CT. Tumor SUVmax to liver SUVmean ratio (SUVmax-TLR), metabolic tumor volume (MTV), tumor total lesion glycolysis to liver SUVmean ratio (TLG-TLR), and coefficient of variation (CV) of the primary tumor were measured. Patients were primarily treated with surgery or radiotherapy. Endpoints were progression-free survival (PFS) and overall survival (OS).

Results: Ninety consecutive patients (male, 72; female, 18) were enrolled. They were followed up for a median of 77.4 months (interquartile range, 48.4-106.4). Sixteen patients progressed, and 13 died. Multivariate analysis revealed that patients with advanced age, overall stage, and higher SUVmax-TLR or CV had poorer PFS and OS.

Conclusion: Higher SUVmax-TLR and CV of the primary tumor on baseline F-18 FDG PET/CT were associated with poorer PFS and OS in patients with nonmetastatic HPV-related OPSCC. Further study is warranted to address the possible implications of F-18 FDG PET/CT on treatment de-intensification in these patients.
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1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Won Jun(강원준) ORCID logo https://orcid.org/0000-0002-2107-8160
Kim, Soyoung(김소영) ORCID logo https://orcid.org/0000-0002-6163-1434
Jeong, Yong Hyu(정용휴) ORCID logo https://orcid.org/0000-0002-0198-0026
Cho, Hojin(조호진) ORCID logo https://orcid.org/0000-0002-8686-172X
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