Table 3 Ultrasonographic findings of invasive ductolobular carcinomas of the breast

 Benign

2.6% (3/113)

 Mass

96.5% (109/113)

 Other findings (parasternal mass)

0.9% (1/113)

Mass Shape

n = 109

 Round/Oval

7.3% (8/109)

 Irregular

92.7% (101/109)

Mass Margin

n = 109

 Circumscribed

1.8% (2/109)

 Indistinct

10.0% (11/109)

 Angular

8.3% (9/109)

 Microlobulated

19.3% (21/109)

 Spiculated

60.6% (66/109)

Mass Echogenicity

n = 109

 Complex echoic

6.4% (7/109)

 Hypoechoic

91.8% (100/109)

 Isoechoic

1.8% (2/109)

Mass Posterior acoustic feature

n = 109

 No feature

30.3% (33/109)

 Enhancement

5.5% (6/109)

 Shadowing

64.2% (70/109)

Associated Findings

n = 113

Enlarged axillary lymph nodes

8.8% (10/113)