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  • Title: The correlation of prognostic biomarkers (Ki-67, Bcl-2, HIF-1α, cyclin D1) with metabolic tumor volume measured by F-FDG PET/CT inlaryngeal cancer.
    Author: Eryilmaz A, Cengiz A, Basal Y, Meteoglu I, Omurlu IK, Yurekli Y.
    Journal: J Cancer Res Ther; 2018; 14(5):994-998. PubMed ID: 30197337.
    Abstract:
    OBJECTIVES: To investigate the correlation between tumor stage, Ki-67, Bcl-2, hypoxia inducible factor-1α (HIF-1α), cyclin D1 and metabolic tumor volume (MTV), total lesion glycolysis (TLG), maximum standardized uptake value (SUVmax) measured by 18F fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) in patients diagnosed with laryngeal cancer. PATIENTS AND METHODS: In this study, included 25 consecutive laryngeal cancer patients (2 women, 23 men) diagnosed and treated in the Otorhinolaryngology Department of our tertiary care center. All cases underwent 18F FDG PET/CT and SUVmax, mean standardized uptake value, MTV, and TLG values were calculated. Tumor staging was made and immunohistochemical staining was carried out for Ki-67, Bcl-2, HIF-1α and cyclin D1. RESULTS: Eight (32%) patients had glottic laryngeal cancer, 6 (24%) had supraglottic laryngeal cancer and 11 (44%) had transglottic laryngeal cancer. Cyclin D1 was significantly correlated with MTV (r = 0.45, P = 0.03), TLG (r = 0.492, P = 0.01) and T-stage (r = 0.483, P = 0.02). Bcl-2 was significantly correlated with SUVmax (r = -0.41, P = 0.05) and tumor stage (r = -0.442, P = 0.03). MTV and TLG are significantly correlated with nodal stage (r = 0.422, P = 0.04, r = 0.419, P = 0.04), while TLG (r = 0.403, P = 0.05) and SUVmax (r = 0.440, P = 0.03) were correlated with tumor stage. CONCLUSION: Our results indicated that biomarkers such as cyclin D1 and Bcl-2 were correlated with measures such as MTV, TLG, and SUV in 18F-FDG PET/CT. Integrative and combined evaluation of biomarkers and imaging data derived from 18F-FDG PET/CT are important for staging and appropriate management of patients with laryngeal cancer.
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