Table 3 Pathological characteristics of micropapillary ductal carcinoma in situ treated by breast-conserving surgery with and without ipsilateral recurrences

From: Micropapillary ductal carcinoma in situ of the breast: an inter-institutional study

 

Total (%)

ILRa (%)

NO ILRa (%)

P-value

Odds ratio

95% Wald confidence limits

 

36 (100)

11 (31)

25 (69)

   

Nuclear grade

 Low

12 (33)

2 (17)

10 (83)

 

1

 

 Intermediate

9 (25)

1 (11)

8 (89)

0.041

0.62

0.04–8.20

 High

15 (42)

8 (53)

7 (47)

 

5.71

0.92–35.47

Nuclear grade

 Low/intermediate

21 (58)

3 (14)

18 (86)

0.025

1

 

 High

15 (42)

8 (53)

7 (47)

 

6.86

1.40–33.57

Extent (mm)

 ≤15

23 (64)

6 (26)

17 (74)

 

1

 

 16–39

7 (22)

1 (14)

6 (86)

0.091

0.47

0.04–4.76

 ≥40

6 (14)

4 (67)

2 (33)

 

5.67

0.82–39.26

Necrosis

 No

17 (47)

5 (29)

12 (71)

0.887

1

 

 Yes

19 (53)

6 (32)

13 (68)

 

1.11

0.26–4.59

Margin width (mm)

 >10

20 (56)

5 (25)

15 (75)

 

1

 

 1–9

12 (19)

6 (50)

6 (50)

0.123

3.00

0.65–13.69

 <1

4 (25)

0

4 (100)

 

0.31

0.01–6.81

Microinvasion

 No

31 (86)

9 (29)

22 (71)

0.621

1

 

 Yes

5 (14)

2 (40)

3 (60)

 

1.63

0.23–11.45

Van Nuys Prognostic Index

 1/2

30 (83)

7 (23)

23 (77)

0.072

1

 

 3

6 (17)

4 (67)

2 (33)

 

6.57

0.98–43.78

Radiotherapy

 No

13 (36)

4 (31)

9 (69)

0.127

1

 

 Yes

23 (64)

7 (30)

16 (70)

 

0.98

0.22–4.30

  1. aILR: ipsilateral recurrence.