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Table 4 Characteristics of the breast cancer patients in our study sorted by the results from the elastogram (comparison of true positives and false negatives)

From: Ultrasound real-time elastography can predict malignancy in BI-RADS®-US 3 lesions

Characteristics of the breast cancer patients

Age

Tumor type

Longest axis on histology (mm)

Longest axis on US (mm)

Distance from skin on US (mm)

TES

BI-RADS on MG

Time since last MG (months)

True positive cases (suspicious elastogram in breast cancer patients)

77

IDC

21

17

5

4

3

0

73

IDC

15

22

5

4

3

14

77

DCIS

10

14

2

4

0

0

39

DCIS

5

12

6

4

n.a.1

n.a.1

58

IDC

12

12

6

5

2

12

False negative cases (benign elastogram in breast cancer patients)

71

IDC

8

8

12

2

4

0

48

IMC

8

9

4

2

2

0

71

IDC

11

12

18

3

3

0

  1. US = ultrasound; TES = Tsukuba elasticity score; IDC = invasive ductal carcinoma; DCIS = ductal carcinoma in situ; IMC = invasive mucinous carcinoma; MG = mammography; n.a. = not available.
  2. 1not available: The patient presented with a palpable lesion that was exclusively diagnosed with ultrasound as the patient was less than 40 years old.