Analysis of relation between hypoxia PET imaging and tissue-based biomarkers during head and neck radiochemotherapy.

Bittner, Martin-Immanuel; Wiedenmann, Nicole; Bucher, Sabine; Hentschel, Michael; Mix, Michael; Rücker, Gerta; Weber, Wolfgang A; Meyer, Philipp T; Werner, Martin; Grosu, Anca-Ligia; Kayser, Gian (2016). Analysis of relation between hypoxia PET imaging and tissue-based biomarkers during head and neck radiochemotherapy. Acta oncologica, 55(11), pp. 1299-1304. Acta Oncologica 10.1080/0284186X.2016.1219046

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BACKGROUND Tumor hypoxia is associated with poor prognosis and outcome and can be visualized using 18F-MISO-positron emission tomography (PET) imaging. The goal of this study was to evaluate the correlation between biological markers and biological imaging in a group of patients in whom a correlation between biological imaging and outcome has previously been demonstrated. MATERIAL AND METHODS In a prospective pilot project, 16 patients with locally advanced cancer of the head and neck underwent 18F-MISO-PET scans before and during primary radiochemotherapy in addition to 18F-FDG-PET and computed tomography (CT). Tumor biopsies were stained for three tissue-based markers (Ku80, CAIX, CD44); in addition, human papillomavirus (HPV) status was assessed. H-scores of marker expression were generated and the results were correlated with the biological imaging and clinical outcome. RESULTS No statistically significant correlation was established between the H-scores for Ku80, CD44 and CAIX or between any of the H-scores and the imaging variables (tumor volume on 18F-FDG-PET in ml, hypoxic subvolume as assessed by 18F-MISO-PET in ml, and SUVmax tumor/SUVmean muscle during the 18F-MISO-PET). A statistically significant negative correlation was found between CD44 H-score and HPV status (p = .004). Cox regression analysis for overall survival and recurrence-free survival showed one significant result for CAIX being associated with improved overall survival [hazard ratio 0.96 (0.93-1.00), p = .047]. CONCLUSION Expression of Ku80, CAIX and CD44 as assessed by immunohistochemistry of tumor biopsies were not correlated to one another or the biological imaging data. However, there was a significant influence of CAIX on overall survival and between CD44 and HPV.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Clinic of Nuclear Medicine

UniBE Contributor:

Hentschel, Michael


600 Technology > 610 Medicine & health




Acta Oncologica




Franziska Nicoletti

Date Deposited:

07 Feb 2017 10:47

Last Modified:

20 Mar 2018 13:23

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