Table 2 imaging characteristic of 18F-FDG PET/CT in patients with NTM infection
Imaging characteristic | n (range or %) |
|---|---|
Intra-pulmonary FDG accumulation | 22(95.7) |
Single lobe | 5(21.7) |
Double lobe | 17(73.9) |
Morphological manifestations in the lung | |
Patchy infiltration | 18(81.8) |
Nodular infiltration | 3(13.6) |
Bronchiectasis | 8(36.4) |
Cavitation | 5(22.7) |
Calcification | 3(13.6) |
Atelectasis | 2(9.1) |
Pleural effusion | 4(18.2) |
Extra- pulmonary FDG accumulation | 17(73.9) |
Lymph nodes | 14(60.9) |
Bone | 6(26.1) |
Subcutaneous | 1(4.3) |
Spleen | 1(4.3) |
Adrenal gland | 1(4.3) |
Extent of lesion involvement | Â |
Pulmonary NTM group | 6(26.1) |
Disseminated NTM group | 17(73.9) |
Metabolic parameters | mean (range) |
SUVTop | 8.2 ± 5.7 (1.2–28.1) |
SUVI−lung | 6.6 ± 3.9 (1.2–13.9) |
SUVE−lung | 6.3 ± 6.3 (1.8–28.1) |
SUVLiver | 2.7 ± 0.6 (1.7–3.8) |
SUVMarrow | 3.7 ± 2.0 (1.7–6.7) |
SUVSpleen | 2.5 ± 0.9 (1.7-6.0) |
SURLiver | 3.7 ± 2.3 (0.5–7.6) |
SURBlood | 5.9 ± 3.9 (0.7–10.3) |
MLV (cm3) | 122.2 ± 211.7 (0-972.6) |
TLG(ml*SUV) | 526.9 ± 992.1 (0-4628.6) |