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- W2358456048 abstract "Objective To investigate the clinical value of pretreatment 18F-FDG PET/CT in small cervical lymph nodes(0.5 cm≤maximum diameter1 cm,intact capsule,no central necrosis)in nasopharyngeal carcinoma patients.Methods Biopsy proven nasopharyngeal carcinoma patients with small cervical lymph nodes shown in CT or MR images were enrolled and underwent 18F-FDG PET/CT scan.Ultrasonography guided fine needle biopsy was conducted.Results of pathologic examination and 18F-FDG PET/CT images were compared,to analyze the value of 18F-FDG PET/CT and its impact on N stage.Results From December 2004 to August 2009,30 patients were enrolled with 31 lymph nodes biopsied.The average maximum cross diameter was 0.5-0.8 cm(median:0.6 cm).N stage according to CT/MR images was 3,13,13 and 1 patient for N0,N1,N2 and N3.18F-FDG PET/CT showed positive in 15 lymph nodes and negative in 16.Biopsy proved metastasis in 13 18F-FDG PET/CT-positive lymph nodes and no metastasis in 2 18F-FDG PET/CT-positive lymph nodes.In those 16 18F-FDG PET/CT-negative lymph nodes,no metastasis was found in biopsy.The accuracy,sensitivity,specificity,positive predictive value,and negative predictive value was 93.5%,100%,88.9%,86.7% and 100%.According to 18F-FDG PET/CT,N stages of 5 patients were upgraded.Conclusions Pretreatment 18F-FDG PET/CT scan has high accuracy in evaluating the small cervical lymph nodes in nasopharyngeal carcinoma patients and is helpful for accurate staging." @default.
- W2358456048 created "2016-06-24" @default.
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- W2358456048 date "2012-01-01" @default.
- W2358456048 modified "2023-09-22" @default.
- W2358456048 title "Clinical value of pretreatment ~(18)F-FDG PET/CT for small cervical lymph node in nasopharyngeal carcinoma patients" @default.
- W2358456048 hasPublicationYear "2012" @default.
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