Fig. 2From: SUVmax of 18F-FDG PET/CT in the differential diagnosis of benign and malignant thyroid nodules according to tumor volumeImages of follicular adenoma. a On ultrasonography, there is an 8-cm, markedly hypoechoic nodule. b Mildly increased 18F-FDG uptake in the left lobe on 18F-FDG PET/CT (SUVmax = 2.10)Back to article page