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Table 2 Frequency of association between subtypes of lobular neoplasia and columnar cell lesions (CCL)

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

CCL ALH DIALH LCIS LCIS pleo Total
  n % n % n % n % n %
CCC 14 22.6 13 21.0 15 24.2 0 0 42 67.7
CCH 4 6.5 3 4.8 2 3.2 0 0 9 14.5
CCC with atypia 1 1.6 3 4.8 4 6.5 1 1.6 9 14.5
CCH with atypia 0 0 0 0.0 1 1.6 1 1.6 2 3.2
Total 19 30.6 19 30.6 22 35.5 2 3.2 62 100.0
  1. ALH = atypical lobular hyperplasia; DIALH = ductal involvement by cells of atypical lobular hyperplasia; LCIS = lobular carcinoma in situ; LCIS pleo = LCIS pleomorphic; CCC = columnar cell change; CCH = columnar cell hyperplasia; CCC with atypia = columnar cell change with atypia; CCH with atypia = columnar cell hyperplasia with atypia; n = number of cases. χ2 test for trend: p = 0.03.