Table 1 Histological types of lesions in the two groups: benign and malignant non-mass enhancement
Tumor group | Number (cases) | Percentage (%) |
|---|---|---|
Benign non-mass enhancement | 58 | 39.5 |
 Fibrocystic changes | 33 | 22.4 |
 Inflammation | 20 | 13.6 |
 Mix | 6 | 4.1 |
Malignant non mass enhancement | 89 | 60.5 |
 Invasive ductal carcinoma | 16 | 10.9 |
 Atypical ductal hyperplasia | 18 | 12.2 |
 Ductal carcinoma in situ | 11 | 7.5 |
 Invasive ductal carcinoma | 13 | 8.8 |
 Invasive micropapillary carcinoma | 3 | 2 |
 Apocrine carcinoma | 1 | 0.7 |
 Mix | 26 | 17.7 |