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Anatomic distribution, type and size of lesions with focal uptake
| No. (%) of lesions | |
|---|---|
| Anatomic region | |
| Abdomen | 4 (2.0) |
| Brain | 1 (0.5) |
| Chest | 58 (28.7) |
| Head and neck | 139 (68.8) |
| Lesion type | |
| Malignant tumour | 32 (15.8) |
| Malignant lymph node | 23 (11.5) |
| Metastasis | 11 (5.4) |
| Benign focal uptake | 136 (67.3) |
| Lesion size (cm)a | |
| <1 | 53 (26.2) |
| ≥1 | 149 (73.8) |
aMaximum length according to RECIST criteria
