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Table 2 Histopathological findings of breast ultrasound -guided CNB

From: Accuracy of 16/18G core needle biopsy for ultrasound-visible breast lesions

Pathology findings (n = 955)

16G (n)

18G (n)

Benign

39

33

 Breast normal tissue

3

1

 Fibroadenoma

9

9

 Chronic inflammation and fat necrosis

11

11

 Adenosis

16

12

High-risk

50

30

 ADH

13

12

 ALH

0

0

 LCIS

0

0

 Papillary lesion

18

6

 Atypical papillary lesion

4

5

 Phyllodes

5

1

 Radial scar

2

1

 Not specified

8

5

Malignant

477

326

 DCIS

26

17

 IDC

405

282

 ILC

7

4

 Mucinous Ca

10

11

 Papillary Ca

4

3

 Tubular Ca

2

1

 Medullary Ca

3

0

 Lymphoma

1

1

 Minimal invasion

1

0

 Invasive carcinoma not specified

18

7

Total

566

389

  1. ADH: Atypical ductal hyperplasia; ALH: Atypical lobular hyperplasia; DCIS: Ductal carcinoma in situ; IDC: Invasive ductal carcinoma; ILC: Invasive lobular carcinoma; LCIS: Lobular carcinoma in situ; Ca: Carcinoma.