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Br J Oral Maxillofac Surg. 2008 Apr;46(3):180-6. Epub 2008 Feb 21.

Expression of Glut-1 in primary and recurrent head and neck squamous cell carcinomas, and compared with 2-[18F]fluoro-2-deoxy-D-glucose accumulation in positron emission tomography.

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  • 1Department of Oral and Maxillofacial Surgery, School of Stomatology, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Research Institute of Stomatology, Shanghai, PR China.


The aim of the study was to investigate the pattern of glucose transporter-1 (Glut-1) expression in primary and recurrent head and neck squamous cell carcinomas (HNSCCAs) and the relation between Glut-1 expression and 2-[18F]fluoro-2-deoxy-D-glucose - positron emission tomography (FDG-PET). Standardised uptake values (SUVs) were used to evaluate FDG uptake by the tumour. Sections were stained immunohistochemically for Glut-1, which showed that high SUVs were seen in all HNSCCAs, and patients with higher T stage tumours or less well-differentiated tumours showed significantly higher SUVs than those with lower stage tumours or better-differentiated tumours (P=0.001 and 0.04, respectively). Glut-1 immunostaining was present in all cases. The Glut-1 staining index in primary HNSCCAs was significantly lower than that in recurrent HNSCCAs (P=0.03), and the index of better-differentiated tumours lower than that of poorly-differentiated tumours (P=0.02). However, there was no significant correlation between SUV(mean) and the Glut-1 staining index. In conclusion, our data suggest that high FDG uptakes were seen with overexpression of Glut-1 in primary and recurrent HNSCCAs. SUV(mean) was related to tumour T stage and grade of differentiation, which indicated that SUV was helpful in evaluating tumours. The expression of Glut-1 in recurrent HNSCCAs was higher than that in primary HNSCCAs, and in poorly-differentiated HNSCCAs higher than in better-differentiated HNSCCAs, which indicated that Glut-1 may have a useful role as a predictor for poor prognosis in HNSCCAs. However, there was no significant correlation between FDG accumulation and Glut-1 expression.

[PubMed - indexed for MEDLINE]
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