Definition of Rating Scores and Radiologist's Subjective Rating Scores for the Lung Nodule Shown in Figure 4
| Features | Score 0 | Score 10 | Score for nodule |
|---|---|---|---|
| CT | |||
| Shape | Strand | Round | 8 |
| Lobulation | None | >3 concave | 6 |
| Border definition | Poor | Well | 7 |
| Marginal irregularity | Smooth | Irregular | 7 |
| Spiculation | None | Involving whole margin | 8 |
| Homogeneity | Uniform | Heterogeneous | 2 |
| Air space | None | >75% | 0 |
| Ground-glass opacity | None | >75% | 3 |
| Calcification | None | >75% | 0 |
| Pleural indentation | None | >2 indentations | 6 |
| Satellite lesions | None | >2 lesions | 0 |
| Vessel involvement | None | >2 vessels | 0 |
| Pleural effusion | None | >1/3 of thoracic cavity | 0 |
| Lymphadenopathy | None | >2 lymph nodes | 0 |
| Extrathoracic malignancy | None | >1 extrathoracic malignant lesion | 0 |
| PET | |||
| Pleural effusion | None | >1/3 of thoracic cavity | 0 |
| Lymphadenopathy | None | Lymph node with high uptake | 0 |
| Extrathoracic malignancy | None | >1 extrathoracic malignant lesion | 0 |
| PET SUV | NA | NA | 1.2 |
NA = not applicable.