Skip to main content

Table 1 Demographic and tumor characteristics of subjects with a false-negative frozen section of sentinel nodes (FNSN) and controls

From: False-negative frozen section of sentinel nodes in early breast cancer (cT1-2N0) patients

 

Control (n = 60)

FNSN (n = 20)

P value

Age

48 (35–73)

48 (37–71)

0.772

Operative method for breast cancer

0.599

 Total mastectomy

22 (37%)

9 (45%)

 Partial mastectomy

38 (63%)

11 (55%)

Tumor size, cm, median (range)

1.7 (0.3–3.2)

1.8 (1.0–4.5)

0.331

Tumor stage

> 0.999

 T1

43 (72%)

14 (70%)

 T2

17 (28%)

6 (30%)

Histological grade

0.418

 Grade I

18 (30%)

3 (15%)

 Grade II

20 (33%)

8 (40%)

 Grade III

22 (37%)

9 (45%)

Extensive intraductal component

21 (35%)

5 (25%)

0.582

Fascia invasion

0

2 (10%)

0.060

Skin invasion

0

1 (5%)

0.250

Nipple invasion

0

2 (20%)

0.103

Estrogen receptor

0.750

 Negative

12 (20%)

3 (15%)

 Positive

48 (80%)

17 (85%)

Progesterone receptor

0.433

 Negative

25 (42%)

6 (30%)

 Positive

35 (58%)

14 (70%)

HER2/Neu (Immunohistochemical staining)

> 0.999

 Negative

52 (87%)

18 (90%)

 Positive

8 (13%)

2 (10%)

Intrinsic subtypes

0.761

 HmR-positive, HER2-negative

43 (72%)

16 (80%)

 HER2-enriched

8 (13%)

2 (10%)

 TNBC

9 (15%)

2 (10%)