Table 1

Demographic features and tumor characteristics of the patients with breast carcinoma
Total BLBC NBBC p value
Age (n=468) (n=45) (n=423)
Mean:53±12 (range: 19–86) years Mean:49.3±12.9 (range: 19–78) years Mean:53.3±12.7 (range: 27–86) years p=0.04
Tumor size (n=500) (n=47) (n=453)
Mean: 2.7±1.6 cm (0.4-20) Mean: 2.8±1.4 cm (1–8) Mean: 2.7±1.6 cm (0.4-20) p=0.47
Median: 2.5 cm Median: 2.5 cm Median: 2.4 cm
<2 cm 203 (40.6%) 12 (26.5%) 191 (42.2%) p=0.07
2-5 cm 275 (55%) 33 (70.2%) 242 (53.4%)
<5 cm 22 (4.4%) 2 (4.3%) 20 (4.4%)
Histological grade (n=500) (n=47) (n=453) p<0.0001
1 143 (28.6%) 0 (0%) 143 (31.6%)
2 175 (35%) 0 (0%) 175 (38.6%)
3 182 (36.4%) 47 (100%) 135 (29.8%)
Axillary lymph node metastasis (n=489) (n=44) (n=445)
Mean: 5 (0–46) Mean: 6 (0–27) Mean: 5 (0–46) p=0.51
0 214 (43.8%) 20 (45.5%) 194 (43.6%) p=0.39
1-3 161 (32.9%) 16 (36.4%) 145 (32.6%)
4-9 74 (15.1%) 3 (6.8%) 71 (16%)
≥10 40 (8.2%) 5 (11.4%) 35 (7.8%)
Nipple invasion (n=456) (n=37) (n=419) p=0.53
Absent 34 (7.5%) 34 (91.9%) 388 (92.6%)
Present 422 (92.5%) 3 (8.1%) 31 (7.4%)
Breast skin invasion (n=500) (n=47) (n=453) p=0.16
Absent 15 (3%) 44 (93.6%) 441 (97.4%)
Present 485 (97%) 3 (6.4%) 12 (2.6%)
Fascia invasion (n=469) (n=43) (n=426) p=0.77
Absent 39 (8.3%) 39 (90.7%) 391 (91.8%)
Present 430 (91.7%) 4 (9.3%) 35 (8.2%)

Cakir et al.

Cakir et al. Diagnostic Pathology 2012 7:145   doi:10.1186/1746-1596-7-145

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