Biologic correlates of 18F-FDG uptake on PET in pulmonary pleomorphic carcinoma
Biologic correlates of 18F-FDG uptake on PET in pulmonary pleomorphic carcinoma
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DOI:
10.1016/j.lungcan.2010.05.021
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发表时间:
2011-02-01
期刊:
影响因子:
5.3
通讯作者:
Yamamoto, Nobuyuki
中科院分区:
文献类型:
--
作者:
Kaira, Kyoichi;Endo, Masahiro;Yamamoto, Nobuyuki
Background: Pulmonary pleomorphic carcinoma is a rare epithelial tumor, and little is also known about the information on the usefulness of 2-[F-18]-fluoro-2-deoxy-D-glucose (F-18-FDG) positron emission tomography (PET). Therefore, we conducted the study including the underlying biologic analysis of F-18-FDG uptake.Methods: Fifteen patients with pulmonary pleomorphic carcinoma who underwent F-18-FDG PET before treatment were included in this study. Tumor sections were stained by immunohistochemistry for glucose transporter 1 (Glut1); glucose transporter 3 (Glut3); hypoxia-inducible factor-1 alpha (HIF-1 alpha); cell proliferation (Ki-67 labeling index); vascular endothelial growth factor (VEGF); microvessels (CD34); cell cycle control marker (p53); and apoptosis marker (bcl-2). These parameters were correlated with a control group of patients with other non-small cell lung cancer (NSCLC) (n = 33).Results: The maximal standardized uptake value (SUVmax) of the primary tumors in 15 patients ranged from 6.1 to 26.8 (median 19.3). There were positive correlation between F-18-FDG uptake and Glut1 (p = 0.0016), Glut3 (p = 0.0080), VEGF (p = 0.0048), and microvessel density (MVD) (p = 0.0005). HIF-1 alpha, p53 and bcl-2 showed no positive correlation with F-18-FDG uptake. F-18-FDG uptake, Glut1, Glut3, HIF-1 alpha, VEGF and Ki-67 were significantly higher in patients with pulmonary pleomorphic carcinoma than those with other NSCLC.Conclusion: F-18-FDG uptake in pulmonary pleomorphic carcinoma is closely associated with the presence of glucose metabolism (Glut1 and Glut3) and angiogenesis (VEGF and MVD). The relationship between F-18-FDG uptake and these biomarkers may lead to a more rational use of PET scan in pulmonary pleomorphic carcinoma. (C) 2010 Elsevier Ireland Ltd. All rights reserved.