| Category 1 |
Category 2 |
Category 3 |
| Little or no clinical significance |
Variable clinical significance |
Clinically significant |
| Hepatic cyst |
46 (34%) |
Cholelithiasis without cholecystitis |
20 (45%) |
Mediastinal lymphadenopathy/mass |
5 (56%) |
| Simple renal cyst |
40 (30%) |
Nonobstructive nephrolithiasis |
10 (22%) |
Thyroid nodule > 1 cm |
3 (33%) |
| Uncomplicated small hiatal hernia |
19 (14%) |
Thyroid hypodensity < 1 cm |
6 (14%) |
Solid renal mass |
1 (11%) |
| Adrenal adenoma |
17 (13%) |
Cystic breast nodule |
2 (5%) |
|
|
| Goiter |
4 (3%) |
Mildly complex renal cyst |
2 (5%) |
|
|
| Pericardial cyst |
2 (>1%) |
Pancreatic calcifications |
2 (5%) |
|
|
| Splenosis |
2 (>1%) |
Breast fibroadenoma |
1 (2%) |
|
|
| Sebaceous cyst |
2 (>1%) |
Small thymic mass (< 3 cm) |
1
(2%)
|
|
|
| Simple splenic cyst |
1 (<1%) |
|
|
|
|
| Uncomplicated small ventral hernia |
1 (<1%) |
|
|
|
|
| Total |
134 |
|
44 |
|
9 |
| Recommendation |
| No further work up is necessary |
Further work up generally recommended for larger complex cysts, adrenal, thyroid and mediastinal masses depending on specific clinical scenario |
Pursue further work up as per accepted practice guidelines |