Table 3.

Benign disease with increased FDG uptake

FDG avid sites		Value, n(%)	Mean maxSUV	Range of maxSUV	Clinical characteristics
					Age	Disease
1	Chest wall and breast	39(27%)	2.1 ± 1.3	1.2-5.8	46.2 ± 7.4	Granulomatous tissue or surgical scar, fat necrosis, seroma, postoperative inflammation and radiotherapy-induced fibrosis.
2	Mediastinal LNs	24(16%)	2.5 ± 0.5	1.7-3.4	58.9 ± 10.9	Reactive hyperplasia
3	Cervical LNs	14(10%)	2.6 ± 0.2	2.4-2.9	52.8 ± 11.2	Reactive hyperplasia
4	Axillary LNs	9(6%)	1.3 ± 0.4	0.7-1.8	56.4 ± 16.0	Reactive hyperplasia
5	Thyroid	26(18%)	3.8 ± 1.2	2.2-6.8	51.1 ± 10.8	Benign nodules and/or chronic thyroiditis
6	Joint	12(8%)	2.8 ± 0.3	2.4-3.2	55.1 ± 9.9	Degenerative osteoarthritis
7	Bone	14(9%)	1.7 ± 0.4	1.4-2	57.1 ± 13.7	Healed fracture (rib and spine)
8	Lung	9(6%)	1.7 ± 0.6	1-2.2	50.1 ± 11.6	Radiation pneumonitis or radiotherapy-induced fibrosis, subsegmental atelectasis, inflammatory nodule and inactive pulmonary tuberculosis