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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Ha, Le Ngoc Phuong, Nguyen Thi Son, Mai Hong |
| Abstract | Background [18F]FDG PET/CT has been widely used as a diagnostic tool in detection and localization of recurrent non-avid radioiodine lesions in post-operative differentiated thyroid cancer (DTC) patients with elevated serum thyroglobulin but negative radioiodine whole-body scan (TENIS) syndrome. The aim of our study was to evaluate the role of [18F]FDG PET/CT in prediction on outcomes of these DTC patients. Methods Post-operative DTC patients with TENIS syndrome were collected in the department of nuclear medicine, Hospital 108 from 2019 to 2023. Patients underwent [18F]FDG PET/CT with standard protocol following EANM guideline for tumor imaging version 2.0. The qualitative [18F]FDG PET/CT imaging characteristics were classified into three categories: (i) negative [18F]FDG PET/CT, (ii) minimal [18F]FDG PET/CT volume of lesions, (iii) extensive [18F]FDG PET/CT volume of lesions. Progression-free survival (PFS) and overall survival (OS) were the end point of the study. The prognosis of qualitative [18F]FDG PET/CT in predicting PFS and OS was illustrated by Kaplan–Meier survival analysis. The independent factors predicting PFS and OS were determined by univariate and multivariate analysis using logistic regression. Results There were 164 consecutive patients, 51.2% female and 48.8% female. The most common histopathological type was papillary accounting for 91.5%. The median time of follow-up was 33.3 months, (range 6.57 – 82.5). There was 70 (36.6%) progressions and 12 (7.35%) deaths. Negative [18F]FDG PET/CT uptake patients had median PFS with median 57.1 months which was higher than that of minimal category (46.2 months), and extensive category (37.6 months) (p < 0,001). 1-year OS and 5-year OS in extensive PET/CT category was 97.8% and 86.2% respectively which were significantly lower than that of negative and minimal categories (p = 0.053). In multivariate analysis, age at the time of diagnosis, pulmonary, bone metastases and extensive [18F]FDG PET/CT volume of lesions were the independent factor predicting PFS. Bone metastasis was only the factor could predict OS in multivariate analysis. Conclusions The minimal and negative [18F]FDG PET/CT categories had better prognosis than extensive category in PFS and OS. Extensive [18F]FDG PET/CT category was an independent factor for predicting PFS. Bone metastasis was only the independent factor that could predict both PFS and OS. |
| Related Links | https://bmcsurg.biomedcentral.com/counter/pdf/10.1186/s12893-024-02675-x.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712482 |
| DOI | 10.1186/s12893-024-02675-x |
| Journal | BMC Surgery |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-11-26 |
| Access Restriction | Open |
| Subject Keyword | Surgery Internal Medicine [18F]FDG PET/CT Qualitative Prognosis PFS OS TENIS Differentiated thyroid cancer |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surgery |
| Journal Impact Factor | 1.6/2023 |
| 5-Year Journal Impact Factor | 1.9/2023 |
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