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Cervical cancer evaluated with integrated F-18-FDG PET/MR

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机构: [1]Department of Obstetrics and Gynecology, Chinese PLA General Hospital, Beijing 100853 [2]Department of Obstetrics and Gynecology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029 [3]Department of Obstetrics and Gynecology, Haidian Maternal and Child Health Hospital, Beijing 100080, P.R. China
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关键词: maximum standardized uptake value minimum apparent diffusion coefficient cervical cancer positron emission tomography magnetic resonance imaging histological grade International Federation of Gynecology and Obstetrics stage lymph node metastasis

摘要:
The current study aimed to evaluate the correlation between maximum standardized uptake value (SUVmax) and minimum apparent diffusion coefficient (ADC(min)) of cervical cancer using an integrated F-18-fluorodeoxyglucose positron emission tomography/magnetic resonance (PET/MR) imaging system, and to determine the association with pathological prognostic factors. A total of 46 patients were pathologically diagnosed with cervical cancer and underwent PET/MR prior to surgery, including total hysterectomy, bilateral pelvic lymph node dissection or paraaortic lymph node dissection. The imaging biomarkers included the SUVmax and ADC(min.) The pathological prognostic factors were as follows: Tumor size, histological grade, International Federation of Gynecology and Obstetrics (FIGO) stage and lymph node metastasis. Pearson's correlation analysis was used to evaluate the correlation between imaging biomarkers and the tumor size and the Mann-Whitney U test analysis was used to evaluate the association between imaging biomarkers and pathological factors. The mean SUVmax was 11.1 +/- 8.7 (range, 3.16-51.6) and the mean ADC(min) was 0.76 +/- 0.15x10(-3) mm(2)/s (range, 0.47-1.04x10(-3) mm(2)/s). The SUVmax had a significant negative correlation with the ADC(min) (r=-0.700; P<0.001). The SUVmax was significantly increased in patients with poorly differentiated tumors (P=0.001), patients with FIGO stage IIB (P=0.005) and the patients with lymph node metastasis (P=0.040). The ADC(min) was significantly decreased in patients with poorly differentiated tumors (P<0.001) and patients with FIGO stage IIB (P=0.017). Statistical analysis revealed no significant correlation between the tumor size and the SUVmax (r=0.286;P=0.054), or between the tumor size and the ADC(min) (r=-0.231; P=0.122). Area under the curve (AUC) analysis revealed that SUVmax had a higher diagnostic value for lymph node metastasis (AUC=0.681) and FIGO staging (AUC=0.837) compared with ADC(min), whereas ADC(min) had a higher diagnostic value for the grade of pathological differentiation (AUC=0.816) compared with SUVmax (AUC=0.788). The results of the current study demonstrated that there was a significant negative correlation between SUVmax and ADC(min), which were associated with prognostic factors.

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出版当年[2018]版:
大类 | 4 区 医学
小类 | 4 区 肿瘤学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 肿瘤学
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出版当年[2017]版:
Q4 ONCOLOGY
最新[2023]版:
Q3 ONCOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2017版] 出版当年五年平均 出版前一年[2016版] 出版后一年[2018版]

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第一作者机构: [1]Department of Obstetrics and Gynecology, Chinese PLA General Hospital, Beijing 100853 [2]Department of Obstetrics and Gynecology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029
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通讯机构: [1]Department of Obstetrics and Gynecology, Chinese PLA General Hospital, Beijing 100853 [*1]Department of Obstetrics and Gynecology, Chinese PLA General Hospital, 28 Fuxing Road, Beijing 100853, P.R. China
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