Know the mimics
False-Positive Finder
Pick a region to see the common benign / physiological uptake patterns that mimic disease. Educational — always correlate clinically.
FDG
Head & neck
- Brown fat — symmetric supraclavicular / paraspinal
- Muscle uptake — phonation, torticollis, mastication
- Warthin tumour / pleomorphic adenoma (parotid)
- Physiological tonsil & adenoid uptake
- Diffuse thyroid uptake — thyroiditis