Table 2.
Modified Weiss system
| Parameter | Score |
|---|---|
| Mitotic count > 5 per 50 high-power fields (10 mm2) | 2 |
| Clear cells in ≤ 25% | 2 |
| Atypical mitosis | 1 |
| Necrosis | 1 |
| Capsular invasion | 1 |
| Total score | 7 |
| A score of ≥ 3 indicates a diagnosis of adrenal cortical carcinoma |