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Table 1 Excision, upgrade and residual atypia rates by diagnostic category

From: Diagnostic terminology used to describe atypia on breast core needle biopsy: correlation with excision and upgrade rates

Diagnosis on CNB

Total n

Excised n (%)

P-value

Residual Atypia, No DCIS or IDC

Upgrade to DCIS

Upgrade to IDC

Overall Upgrade

P-value

ADH

205

169 (82)

93 (55)

13 (8)

4 (2)

17 (10)

FADH

129

101 (78)

47 (47)

8 (8)

5 (5)

13 (13)

FEA

79

57 (72)

34 (60)

2 (4)

1 (2)

3 (5)

Total

413

327 (79)

0.15

174 (54)

23 (7)

10 (3)

33 (10)

0.30