Table 1.
Characteristics of malignant lymphoma and benign lymph nodes
| Number of patients | Number of lesions | Early SUVmax (mean ± SD) | Delayed SUVmax (mean ± SD) | D-SUVmax (mean ± SD) | RI-SUVmax (mean ± SD) | |
|---|---|---|---|---|---|---|
| Malignant lymphoma a | ||||||
| Histological subtypes of lymphoma | ||||||
| Diffuse large B-cell lymphoma | 12 | 74 | 7.24 ± 6.18 | 9.35 ± 7.05 | 2.11 ± 1.41 | 0.42 ± 0.24 |
| Follicular lymphoma | 10 | 70 | 8.13 ± 5.75 | 10.18 ± 6.80 | 2.05 ± 1.56 | 0.32 ± 0.23 |
| T-cell lymphoma | 5 | 34 | 4.19 ± 2.58 | 5.79 ± 3.01 | 1.60 ± 0.87 | 0.43 ± 0.19 |
| Hodgkin’s lymphoma | 2 | 13 | 6.44 ± 3.57 | 8.06 ± 3.67 | 1.62 ± 0.67 | 0.30 ± 0.13 |
| Mantle cell lymphoma | 1 | 4 | 4.18 ± 0.62 | 5.28 ± 0.66 | 1.10 ± 0.19 | 0.27 ± 0.07 |
| Total | 30 | 195 | 6.70 ± 5.43 | 8.62 ± 6.27 | 1.91 ± 1.33 | 0.38 ± 0.23 |
| Benign lymph nodes b | ||||||
| Disorders | ||||||
| Reactive lymph node | 24 | 54 | 3.03 ± 0.90 | 3.69 ± 1.02 | 0.65 ± 0.52 | 0.23 ± 0.20 |
| Lymphadenitis | 10 | 20 | 3.88 ± 3.06 | 5.34 ± 4.04 | 1.47 ± 2.00 | 0.34 ± 0.40 |
| Pneumonia | 9 | 16 | 2 .88 ± 0 .74 | 3 .71 ± 1.09 | 0.82 ± 0.63 | 0.29 ± 0.20 |
| Rheumatoid arthritis | 3 | 9 | 3.26 ± 1.32 | 3.62 ± 1.15 | 0.37 ± 0.31 | 0.16 ± 0.16 |
| Sarcoidosis | 2 | 5 | 7.60 ± 4.37 | 8.26 ± 4.80 | 0.66 ± 0.89 | 0.09 ± 0.10 |
| Silicosis | 1 | 5 | 2 .60 ± 0 .39 | 3.66 ± 0.72 | 1.06 ± 0.60 | 0.41 ± 0.27 |
| IgG4-related disease | 1 | 2 | 3. 50 ± 1. 00 | 3.80 ± 1.30 | 0.30 ± 0.30 | 0.07 ± 0.07 |
| Tuberculosis | 1 | 1 | 2.60 | 3.20 | 0.60 | 0.23 |
| Echinococcus | 1 | 1 | 4.50 | 5.60 | 1.10 | 0.24 |
| Benign lung tumor | 1 | 1 | 1.50 | 1.90 | 0.40 | 0.27 |
| Benign brain tumor | 1 | 1 | 4.40 | 4.80 | 0.4 | 0.09 |
| Total | 54 | 115 | 3.37 ± 2.43 | 4.16 ± 2.44 | 0.80 ± 1.04 | 0.25 ± 0.25 |
aSize of lesions: 1.2 cm ± 0.8 in short-axis diameter, range 0.3–2.7 cm
bSize of lesions: 1.0 cm ± 0.5 in short-axis diameter, range 0.3–2.4 cm