Table 2

All preinvasive lesions by BRCA mutation status

Preinvasive lesionBRCA mutation status
BRCA1/2-negativeBRCA1-positiveBRCA2-positive
n (%)n (%)n (%)
DCIS
 No43 (29.45)24 (52.17)8 (29.63)
 Yes103 (70.55)22 (47.83)19 (70.37)
DCIS grade
 14 (5.06)1 (5.88)2 (12.50)
 245 (56.96)4 (23.53)4 (25.00)
 330 (37.97)12 (70.59)10 (62.50)
LCIS
 No132 (90.41)44 (95.65)25 (92.59)
 Yes14 (9.59)2 (4.35)2 (7.41)
ALH
 No134 (91.78)45 (97.83)26 (96.30)
 Yes12 (8.22)1 (2.17)1 (3.70)
Any preinvasive lesion
 No37 (25.34)22 (47.83)8 (29.63)
 Yes109 (74.66)24 (52.17)19 (70.37)

Abbreviations: LCIS, lobular carcinoma in situ; ALH, atypical lobular hyperplasia.