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Table 1 Clinicopathological characteristics of the 23 male breast cancer samples

From: MicroRNA expression profiling of male breast cancer

Characteristic Value
Age 71.2 ± 9.0 (72.0)
Tumor size 20.0 ± 9.6 (20.0)
Diagnosis  
   Invasive ductal carcinoma 11 (47.8%)
   Invasive ductal carcinoma + ductal carcinoma in situ 12 (52.2%)
Nuclear grade  
   I 3 (13.0%)
   II 11 (47.8%)
   III 9 (39.1%)
Histological grade  
   I 2 (8.7%)
   II 12 (52.2%)
   III 9 (39.1%)
Cytokeratin 5/6  
   0 19 (82.6%)
   + 1 (4.3%)
   ++ 3 (13.0%)
   +++ 0 (0.0%)
Cytokeratin 14  
   0 19 (82.6%)
   + 2 (8.7%)
   ++ 0 (0.0%)
   +++ 2 (8.7%)
Cytokeratin 18  
   0 1 (4.3%)
   + 0 (0.0%)
   ++ 3 (13.0%)
   +++ 19 (82.6%)
pT  
   1 13 (56.5%)
   2 10 (43.5%)
pN  
   0 8 (34.8%)
   1 8 (34.8%)
   2 1 (4.3%)
   x 6 (26.1%)
pM  
   0 8 (34.8%)
   1 2 (8.7%)
   x 13 (56.5%)
Estrogen receptors  
   Positive 12 (95.7%)
   Negative 1 (4.3%)
   Not available 10
Progesterone receptors  
   Positive 13 (100.0%)
   Negative 0 (0.0%)
   Not available 10
  1. Data presented as the mean ± standard deviation (median) or as n (%). -, negative; +, < 25%; ++, 25 to 50%; and +++, > 50%.