Table 4.
Preoperative CT Findings and Results.
| Findings/Results | Patients (n) | % |
|---|---|---|
| Nodule Detected on Shoulder CT Scan | 69 | 22.8% |
| High-resolution Thin-slice (<1.0 mm) CT Scan | 67 | 97.1% |
| Nodule Size (mm) | 3.8 ± 2.3 mm | |
| ≤ 5 mm | 58 | 84.1% |
| 6 to 8 mm | 5 | 7.2% |
| > 8 mm | 6 | 8.7% |
| Multiple Nodules vs Single Nodule | 37 : 32 | 53.6% : 46.4% |
| Superior Lobe vs Other Locations | 47 : 22 | 68.1% : 31.9% |
| Nodule Characteristics | ||
| Calcification | 18 | 26.1% |
| Ground-Glass | 6 | 8.7% |
| Sub-Solid | 2 | 2.9% |
| Spiculated Margins | 1 | 1.4% |
| Radiologist Reports | ||
| Nodule Suggested Benign | 40 | 58.0% |
| Further Workup CT Recommended | 20 | 29.0% |
| Fleischner Guidelines Present | 20 | 29.0% |
| CT recommended against Fleishner | 7 | 10.1% |
| Further Workup Done (Chest CT-scan) | 12 | 17.4% |
| Invasive Procedures (Biopsy or Surgery) | 2 | 2.9% |
| Cancer Diagnosis | 2 | 2.9% |
| Surgery Delayed or Canceled | 0 | 0.0% |
| Family History of Cancer | 15 | 21.7% |
| Previous Diagnosis of Cancer | 8 | 11.6% |
| Breast cancer | 2 | 2.9% |
| Non-Hodgkins lymphoma | 2 | 2.9% |
| Renal cell carcinoma | 2 | 2.9% |
| Salivary gland carcinoma | 1 | 1.4% |
| Laryngeal carcinoma | 1 | 1.4% |