Table 2.
Final diagnosis of included benign breast lesions
| Diagnosis | N | % | Reference standard |
|---|---|---|---|
| Sclerosing adenosis | 1 | 5 | Histology |
| FAH | 2 | 11 | Histology |
| Fibroadenoma | 6 | 31 | Histology |
| Fibrocystic parenchyma | 1 | 5 | Histology |
| Epithelial duct proliferation | 2 | 11 | Histology |
| Mastitis | 1 | 5 | Histology |
| Papilloma | 2 | 11 | Histology |
| PASH | 1 | 5 | Histology |
| BI-RADS 2 findings* | 3 | 16 | Follow-up |
| Total | 19 | 100 |
Note: FAH, fibroadenomatous hyperplasia; PASH, pseudoangiomatous stromal hyperplasia; Follow-up, clinical and instrumental follow-up. *Classified as Breast Imaging-Reporting and Data System (BI-RADS) 2 at positron emission tomography/magnetic resonance imaging (PET/MRI) and confirmed as benign during the follow-up