SUVmax of F-18-FDG PET/CT in the differential diagnosis of benign and malignant thyroid nodules according to tumor volumeopen access
- Authors
- Kim, Tae Heon; Ji, Yong Bae; Song, Chang Myeon; Kim, Ji Young; Choi, Yun Young; Park, Jeong Seon; Tae, Kyung
- Issue Date
- Jul-2015
- Publisher
- BMC
- Keywords
- F-18-FDG PET/CT; Thyroid nodule; Thyroid cancer; Differential diagnosis; SUVmax
- Citation
- WORLD JOURNAL OF SURGICAL ONCOLOGY, v.13, pp.1 - 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- WORLD JOURNAL OF SURGICAL ONCOLOGY
- Volume
- 13
- Start Page
- 1
- End Page
- 6
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156898
- DOI
- 10.1186/s12957-015-0635-1
- ISSN
- 1477-7819
- Abstract
- Background: The aim of this study was to investigate whether the maximum standardized uptake value (SUVmax) measured on fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (F-18-FDG PET/CT) could be used as the primary means of differential diagnosis of thyroid nodules when tumor volume is assessed. Methods: We studied 192 patients who underwent preoperative F-18-FDG PET/CT followed by thyroidectomy. We evaluated the correlation between the volume of thyroid nodules, F-18-FDG uptake on visual analysis, and the mean SUVmax measured on F-18-FDG PET/CT. Results: When stratified by tumor volume, the mean SUVmax was higher in malignant than in benign nodules in nodules >= 1 cm(3) (p < 0.001). However, it did not differ between benign and malignant nodules smaller than 1 cm(3). At a cut-off value of SUVmax of 6, the respective sensitivities of F-18-FDG PET/CT, ultrasonography, and fine needle aspiration cytology were 60.8, 96.4, and 99.1 %, and the respective specificities were 95.9, 98.2, and 96.8 %. Conclusions: F-18-FDG PET/CT is limited as a primary modality in the differential diagnosis of benign and malignant thyroid nodules because of its low sensitivity.
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