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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Hum Pathol. 2008 Nov 7;40(3):398–404. doi: 10.1016/j.humpath.2008.08.014

Table 2.

Immunohistochemical Markers with no Significant Differential Staining

MC (n=16) PDC (n=33) P-value
CK7 2 (13%) 7 (21%) 0.96
CK20 7 (44%) 15 (45%) 0.91
p53 6 (38%) 14 (44%) 0.67
Chromogranin 0 (0%) 5 (15%) 0.15
Synaptophysin 0 (0%) 1 (3%) 1
TFF3 8 (53%) 20 (63%) 0.75
MUC1 10 (67%) 21 (72%) 0.73
MUC2 9 (60%) 19 (59%) 0.96

MC-medullary carcinoma. PDC-poorly differentiated adenocarcinoma.