Table 4 Comparison of histological characteristics between carcinomatous tumors and each benign lesion and between sebaceous adenoma and other benign lesions (P values)
Characteristics | SH vs. CT | SB vs. CT | SA vs. CT | SH vs. SA | SB vs. SA |
|---|---|---|---|---|---|
Pagetoid appearance | 0.00 | 0.02 | 0.05 | - | - |
Vascular invasion | 0.03 | 0.56 | 0.56 | - | - |
Neural invasion | 0.01 | 0.30 | 0.31 | - | - |
Atypical mitosis | 0.00 | 0.00 | 0.00 | - | - |
Cystic appearance | 0.00 | 0.74 | 1 | 0.00 | 1 |
Ulceration and erosion | 0.00 | 0.01 | 0.17 | 0.00 | 0.34 |
Ductal differentiation | 0.00 | 0.03 | 0.03 | 0.03 | 0.00 |
Squamous differentiation | 0.00 | 0.88 | 0.00 | 0.20 | 0.03 |
Basaloid cell count | 0.00 | 1 | 0.00 | - | 0.00 |
Tumor margin | 0.00 | 0.00 | 0.00 | - | - |
Necrotic area | 0.00 | 0.00 | 0.00 | - | 1 |
Cell differentiation | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 |
Tumor growth pattern | 0.00 | 0.00 | 0.00 | - | - |
Peripheral basaloid layers | 0.00 | 1 | 0.00 | 0.00 | 0.00 |
Mitotic activity | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 |
Chromatin | 0.00 | 0.00 | 0.00 | 0.00 | 0.71 |
Nucleoli | 0.00 | 0.47 | 0.70 | 0.00 | 0.89 |
Nuclear contour | 0.00 | 0.00 | 0.00 | - | 0.48 |
Nuclear size | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 |