Table 1 18F-FDG uptake by visual analysis of 18F-FDG PET/CT images in malignant and benign thyroid nodules according to nodule volume
Volume of nodule | Pathology | Visual analysis of 18F-FDG uptake | Number (%) | p value |
|---|---|---|---|---|
Below 1 cm3 (n = 98) | Malignant nodule (n = 82) | Uptake | 55 (67.1 %) | 0.572 |
No uptake | 27 (32.9 %) | |||
Benign nodule (n = 16) | Uptake | 11 (68.8 %) | ||
No uptake | 5 (31.2 %) | |||
Equal to or above 1 cm3 (n = 94) | Malignant nodule (n = 70) | Uptake | 70 (100 %) | <0.001 |
No uptake | 0 (0 %) | |||
Benign nodule (n = 24) | Uptake | 19 (79.2 %) | ||
No uptake | 5 (20.8 %) |