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Table 1 Reported cases of breast cancer detected by MRI on cancer-free HBOC patients in Japan

From: Four magnetic resonance imaging surveillance-detected breast cancer cases in cancer-free BRCA1/2 mutation carriers

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
  1. MRI magnetic resonance imaging, US ultrasonography, N/A not applicable