Table 1 Reported cases of breast cancer detected by MRI on cancer-free HBOC patients in Japan
No | Year | Author | Age at breast cancer diagnosis | Mutation | Surveillance period (month) | Times of MRI surveillance | MRI findings | MRI-targeted US findings | Stage |
|---|---|---|---|---|---|---|---|---|---|
1 | 2021 | Our Case 1 | 27 | BRCA1 | 39 | 4 | Mass | Dilated duct collection | pT1bN0M0 StageI |
2 | 2021 | Our Case 2 | 43 | BRCA2 | 86 | 8 | Non-mass | Distortion | pT1bN1M0 StageIIA |
3 | 2021 | Our Case 3 | 43 | BRCA2 | 0 | 1 | Mass | Mass | pT1miN0M0 StageI |
4 | 2021 | Our Case 4 | 53 | BRCA2 | 42 | 3 | Mass | Mass | pT1bN0M0 StageI |
5 | 2019 | Shimada [6] | 35 | BRCA1 | 145 | 1 | Non-mass | N/A | pTisN0M0 Stage0 |
6 | 2019 | Shimada [6] | 48 | BRCA2 | 51 | 1 | Non-mass | N/A | pTisN0M0 Stage0 |
7 | 2019 | Murakami [7] | N/A | BRCA1 | N/A | 1 | Mass | Visible lesion | N/A |
8 | 2017 | Tozaki [8] | 48 | BRCA2 | N/A | N/A | Non-mass | hypoechoic area | pTisN0M0 Stage0 |