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Table 4 Analysis of false-negative diagnosis of mammography (n = 30), sonography (n = 20) and MR mammography (n = 10) for 185 invasive cancers

From: Comparison of written reports of mammography, sonography and magnetic resonance mammography for preoperative evaluation of breast lesions, with special emphasis on magnetic resonance mammography

Cancer

  

MR

characteristics

Mammography

Sonography

mammography

Tumour stage

   

   1a

1

4

3

   1b

8

5

2

   1c

11

6

3

   2

6

2

2

   3

1

1

0

   4 (inflammatory)

3

2

0

Histological type

   

   Ductal

15

13

2

   Lobular

11

3

4

   Others

4

4

4

Grading

   

   1

2

3

1

   2

10

6

5

   3

18

11

4