Table 4 Final surgical outcome as a function of margin status of the initial excision biopsy specimen
From: Histological margin assessment for breast ductal carcinoma in situ: precision and implications
Surgical outcome | ||||
---|---|---|---|---|
Mastectomy | Further excision | |||
n | (%) | N | (%) | |
Close >1 mm close margin width | 0 | (0) | 9 | (20) |
Close ≤1 mm close margin width | 9 | (21) | 13 | (28) |
Positive <1 mm focal involvement | 4 | (9) | 5 | (11) |
Positive ≥1<15 mm minimal involvement | 16 | (37) | 15 | (32) |
Positive ≥15 mm extensive involvement | 14 | (33) | 4 | (9) |
Total | 43 | (100) | 46 | (100) |