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Association between serum NSE and metabolic parameters determined by 18F-FDG PET/CT in pediatric patients with neuroblastoma
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  • Shuai Man,
  • Jie Yan,
  • Jie Li,
  • Yan Cao,
  • Jianjing Liu,
  • qiang zhao
Shuai Man
Tianjin Medical University
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Jie Yan
Tianjin Medical University Cancer Institute and Hospital
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Jie Li
Tianjin Tumor Hospital
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Yan Cao
Tianjin Tumor Hospital
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Jianjing Liu
Tianjin Medical University Cancer Institute and Hospital
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qiang zhao
Tianjin Medical University Cancer Institute and Hospital
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Abstract

Purpose: To explore the correlations between neuron‑specific enolase (NSE) and the metabolic parameters such as the maximum uptake (SUVmax), metabolic tumor volume (MTV) and total lesion glycolysis (TLG), determined by fluorine‑18 fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/CT) in pediatric patients with newly diagnosed neuroblastoma(NB). Method: Data from 43 patients with newly diagnosed NB between December 2013 and December 2019 were collected. The serum levels of NSE were measured at the time of diagnosis, and 18F-FDG PET/CT examinations were performed within 1 weeks. The metabolic parameters of the primary tumor lesion s such as SUVmax, MTV and TLG were calculated by 18F-FDG PET/CT. Pearson correlation analyses were applied to investigate the correlations between the serum levels of NSE and PET/CT findings. Result: NSE had strong correlations with SUVmax, MTV and TLG (r=0.521, P<0.001; r=0.520, P<0.001; r=0.442, P=0.003, respectively) using Pearson correlation analyses. The Mann-Whitney U tests showed that the values of SUVmax, MTV and TLG were significantly higher for the patients with NSE levels ≥100 ug/L (P=0.013, P=0.013 and P=0.002, respectively) and for patients with serum NSE levels larger than the cut-off value (P=0.004, P=0.008 and P<0.001, respectively). Conclusion: In patients with newly diagnosed NB, the metabolic parameters determined by 18F-FDG PET/CT could be considered as accurate markers of tumor burden, with MTV and TLG more sensitive than SUVmax. When abnormal NSE level were detected in a pediatric patient with NB, the higher the NSE level was, the larger the SUVmax MTV and TLG were.