Table 1.
Indication or Symptoms Precipitating Initial Imaging
| Indication/Symptom(s) | Overall (N = 66) | Benign (N = 28) | Malignant (N = 38) |
|---|---|---|---|
| Respiratory symptoms | 15 (22.7%) | 5 | 10 |
| Chest pain | 13 (19.7%) | 8 | 5 |
| Staging of nonthymic cancer | 9 (13.6%) | 5 | 4 |
| Nonrespiratory indicationsa | 9 (13.6%) | 3 | 6 |
| Routine imagingb | 9 (13.6%) | 2 | 7 |
| Cardiovascular imaging | 4 (6.1%) | 1 | 3 |
| Unknown reason | 3 (4.5%) | 2 | 1 |
| Evaluation of pleural effusions/retrosternal goiter | 2 (3.0%) | 2 | 0 |
| Myasthenia gravis | 2 (3.0%) | 0 | 2 |
a
Including trauma, positive tuberculin skin test, anemia, renal colic, hematuria, back pain, and high white cell count.
b
For example, preoperative chest radiograph.