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Table 6 Immunohistochemical staining of cytokeratins in tumor and normal tissues

From: Novel markers for differentiation of lobular and ductal invasive breast carcinomas by laser microdissection and microarray analysis

Antibodies Tumors Normal tissues (n = 22) Fisher's pvalue
Cytokeratin 5/6 Ductal carcinomas (n = 80) 9 (11.2%) 22 (100%) <0.0001
  Lobular carcinomas (n = 29) 3 (10.3%)   <0.0001
Cytokeratin 17 Ductal carcinomas (n = 80) 8 (10%) 22 (100%) <0.0001
  Lobular carcinomas (n = 29) 2 (6.9%)   <0.0001