Mammary Ductal Carcinoma In Situ: A Fresh Look at Architectural Patterns

Table 3

DCIS by nuclear grade.

All cases with any micropapillary DCIS component (40 cases)
Low grade	2 (5%)
Intermediate grade	18 (45%)
High grade	20 (50%)
All cases with any cribriform DCIS component (78 cases)
Low grade	17 (22%)
Intermediate grade	39 (50%)
High grade	22 (28%)
All cases with any solid DCIS component; (113 cases)
Low grade	8 (7%)
Intermediate grade	47 (42%)
High grade	58 (51%)
All cases with any mixed DCIS component (66cases)
Low grade	8 (12%)
Intermediate grade	30 (45%)
High grade	28 (43%)
Macropapillary (3 cases)
Low grade	3 (100%)
Intermediate grade	0 (0%)
High grade	0 (0%)