Skip to main content

Table 1 Histoclinical features of basal-like tumors (IPC and validation series)

From: Kinome expression profiling and prognosis of basal breast cancers

Characteristics (N)

Basal

 

N = 591

 

N (% of evaluated cases)

Age (445)

 

≤ 50 years

215 (57%)

> 50 years

162 (43%)

Histological type (256)

 

ductal

234 (91%)

lobular

7 (3%)

other*

15 (6%)

Pathological tumor size, pT (466)

 

pT1

115 (25%)

pT2-4

351 (75%)

Pathological lymph node status, pN (493)

 

negative

314 (64%)

positive

179 (36%)

Tumor grade (493)

 

SBR 1

14 (3%)

SBR 2-3

479 (97%)

IHC ER status (507)

 

negative

411 (81%)

positive

96 (19%)

IHC PR status (223)

 

negative

199 (89%)

positive

24 (11%)

IHC ERBB2 status (105)

 

negative

86 (84%)

positive

19 (16%)

Adjuvant chemotherapy (309)

 

no

203 (66%)

yes

106 (34%)

Adjuvant hormone therapy (322)

 

no

237 (95%)

yes

13 (5%)

Events (453)**

183 (40%)

5-year DFS (453)**

61%

  1. *4 metaplastic carcinomas, 4 mixed adenocarcnomas, 1 mucinous carcinoma, and 5 adenocarcinomas non otherwise specified. **out of these 453 patients with available follow-up, 193 did not received any systemic adjuvant treatment, 115 received adjuvant systemic therapy, no patient received adjuvant Trastuzumab, and data were unavailable for 145 patients.