Table 3 Clinicopathologic features of phyllodes tumors correlated with 10E4 stromal immunostaining
Negative 10E4 stromal staining | Positive 10E4 stromal staining | P-value | |
---|---|---|---|
Age (mean, in years) | 39.53 | 44.35 | a0.0261 |
Tumor size (mean, in mm) | 46.81 | 62.43 | 0.0698 |
Grade | |||
Benign | 114 | 49 | |
Borderline | 21 | 15 | a0.0188 |
Malignant | 15 | 18 | |
Gross margins | |||
Well circumscribed | 128 | 64 | |
Poorly circumscribed | 5 | 8 | 0.1193 |
Not available | 16 | 9 | |
Cystic degeneration | |||
Absent | 131 | 66 | |
Present | 17 | 14 | 0.4088 |
Not available | 1 | 1 | |
Gross necrosis | |||
Absent | 145 | 76 | |
Present | 3 | 5 | 0.2405 |
Not available | 1 | 1 | |
Gross hemorrhage | |||
Absent | 139 | 64 | |
Present | 9 | 17 | a0.0013 |
Not available | 0 | 1 | |
Stromal hypercelluarity | |||
Mild | 82 | 33 | |
Moderate | 55 | 38 | 0.2006 |
Marked | 12 | 10 | |
Stromal overgrowth | |||
Absent | 132 | 63 | |
Present | 17 | 18 | a0.0351 |
Microscopic borders | |||
Circumscribed | 106 | 45 | |
Focally permeative | 39 | 27 | |
Widely permeative | 4 | 9 | a0.0088 |
Stromal atypia | |||
Mild | 106 | 54 | |
Moderate | 30 | 21 | 0.5901 |
Marked | 13 | 6 | |
Stromal metaplasia | |||
Absent | 145 | 76 | |
Present | 5 | 4 | 0.7227 |
Mitotic activity/10hpf (mean) | 4.24 | 5.561 | 0.5601 |
Myxoid change | |||
Absent | 16 | 12 | |
Present | 133 | 69 | 0.4016 |
PASH | |||
Absent | 36 | 19 | |
Present | 113 | 62 | 1 |
Microscopic hemorrhage | |||
Absent | 29 | 15 | |
Present | 120 | 64 | 1 |
Infarction or necrosis | |||
No infarction or necrosis | 119 | 56 | |
Infarction | 27 | 21 | 0.2766 |
Tumour necrosis | 2 | 3 | |
Both infarction and tumour necrosis | 1 | 1 | |
Epithelial hyperplasia | |||
Absent | 44 | 21 | |
Mild | 49 | 26 | 0.6456 |
Moderate | 44 | 21 | |
Marked | 12 | 10 | |
No epithelium present | 2 | 0 | |
Epithelial metaplasia | |||
Absent | 146 | 77 | |
Present | 4 | 3 | 0.6966 |
p53 stromal staining | |||
Absent | 105 | 45 | |
Present | 45 | 37 | a0.0308 |
bcl2 epithelial staining | |||
Absent | 11 | 10 | |
Present | 139 | 72 | 0.237 |
bcl2 stromal staining | |||
Absent | 10 | 6 | |
Present | 140 | 76 | 1 |
CD117 epithelial staining | |||
Absent | 58 | 41 | |
Present | 91 | 41 | 0.1265 |
CD117 stromal staining | |||
Absent | 146 | 71 | |
Present | 4 | 11 | a0.0034 |
MIB1epithelial staining | |||
Absent | 77 | 43 | |
Present | 73 | 39 | 0.8915 |
MIB1 stromal staining | |||
Absent | 103 | 42 | |
Present | 47 | 40 | a0.0107 |