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Table 1 Frequency of subtypes of lobular neoplasia (LN) and mean age of patients

From: Lobular neoplasia: frequency and association with other breast lesions

LN

n

%

Mean age (years) ± SD

ALH

22

26.2

50.2

± 9.0

DIALH

25

29.8

50.2

± 9.7

LCIS

29

34.5

51.3

± 10.6

LCIS pleo

3

3.6

49.3

± 8.1

IIL

5

6.0

58.2

± 8.1

Total

84

100.0

52.0

± 9.7

  1. ALH = atypical lobular hyperplasia; DIALH = ductal involvement by cells of atypical lobular hyperplasia; LCIS = lobular carcinoma in situ; LCIS pleo = pleomorphic LCIS; IIL = indeterminate in situ lesions. There was no difference in mean age among patients with different lesions (p = 0.425); n = number of cases; SD = standard deviation.