Table 2 Immunohistochemistry and mutational analysis of KRAS gene (codon 12) results

From: Large duct type invasive adenocarcinoma of the pancreas with microcystic and papillary patterns: a potential microscopic mimic of non-invasive ductal neoplasia

 

p53 (%)

her2-neu (%)

Actina (%)

Desmina (%)

ERa (%)

PRa (%)

KRAS (%)

Large duct type adenocarcinomas

8/11 (73)

9/11 (82)

4/4 (100)

0/4 (0%)

0/4 (0)

0/4 (0)

9/11 (82)

Ordinary ductal adenocarcinomas

31/52 (60)

36/49 (74)

Not done

Not done

Not done

Not done

36/47 (77)

P-value

0.5

0.7

    

0.5

  1. aStaining was read in hypercellular stroma surrounding carcinomatous glands.
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