Table 1 Location of primary lesion in patients with incidentally found thyroid lesions on 18F-FDG PET/CT.
From: Incidental thyroid lesions detected by FDG-PET/CT: prevalence and risk of thyroid cancer
Primary lesion | Primary diagnosis (n = 3,379) | FDG uptake on PET/CT (n = 285) | Malignancy (n = 23) |
|---|---|---|---|
Breast | 893 | 97 | 7 |
Gastrointestinal | 311 | 25 | 4 |
Gynecologic | 297 | 31 | 3 |
Lung | 306 | 21 | 2 |
Lymphoma | 163 | 19 | 1 |
Hepatobiliary | 159 | 8 | 1 |
Head and Neck | 428 | 17 | 0 |
Others | 132 | 6 | 0 |
Unknown malignancy | 24 | 3 | 0 |
Cancer screening | 666 | 58 | 5 |