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Table 3 Characteristics on USG

From: Performance evaluation of digital mammography, digital breast tomosynthesis and ultrasound in the detection of breast cancer using pathology as gold standard: an institutional experience

SN

 

No. of breasts

Percentage

 1.

Mass

 

 Shape (n=413)

  
 

Oval

172

41.6

 

Round

29

7.0

 

Irregular

212

51.3

 

Margins

  
 

Circumscribed

215

52

 

Indistinct

47

11.3

 

Angular

63

15.2

 

Microlobulated

39

9.4

 

Spiculated

49

11.8

 

 Orientation

  
 

Parallel

250

60.5

 

Non-parallel

163

39.5

 

 Echo Pattern

  
 

Hyperechoic

21

4.6

 

Complex solid cystic

41

9.9

 

Hypoechoic

230

55.6

 

Isoechoic

3

0.7

 

Heterogeneous

118

28.5

 

 Posterior features

  
 

None

210

50.8

 

Enhancement

56

13.5

 

Shadow

102

24.6

 

Combined

44

10.6

 2.

Calcifications

 

In mass

49

92.4

 

Intraductal

3

5.6

 

Outside mass

5

9.4

 3.

Associated features

 

Architecture distortion

56

13.5

 

Duct change

119

28.8

 

Skin thickening

43

10.4

 

Skin retraction

11

2.6

 

Edema

29

7

 

Vascularity (n = 413)

 

Absent

244

59

 

Internal

136

32.9

 

Rim

33

7.9