Table 4. Characteristics of false negatives and false positives using the Kaiser score.
| Variables | Case | BPE degree | Enhancement type | Pathology |
|---|---|---|---|---|
| False negative (n=4) | 1 | Moderate | Mass | Invasive ductal carcinoma with ductal carcinoma in situ |
| 2 | Moderate | Mass | Invasive ductal carcinoma with ductal carcinoma in situ | |
| 3 | Moderate | Non-mass enhancement | Papillary carcinoma | |
| 4 | Marked | Mass | Invasive ductal carcinoma | |
| False positive (n=5) | 1 | Moderate | Focus | Intraductal papilloma |
| 2 | Moderate | Mass | Intraductal papilloma | |
| 3 | Marked | Non-mass enhancement | Idiopathic granulomatous mastitis | |
| 4 | Marked | Focus | Intraductal papilloma | |
| 5 | Marked | Mass | Intraductal papilloma |
BPE, background parenchymal enhancement.