Table 2.
Summary of pathologic data.
| Characteristic | Total sample |
|---|---|
| Exo-endophytic growth pattern | 21/21 (100) |
| Intraepithelial microabscesses | 17/21 (81) |
| Marked parakeratosis | 18/21 (86) |
| Diminished granular layer | 16/21 (76) |
| Dyskeratotic cells | 21/21 (100) |
| Spongiosis | 21/21 (100) |
| Keratin pearls | 9/21 (43) |
| Asymmetrical silhouette | 21/21 (100) |
| Blunted rete ridge with pushing margins | 21/21 (100) |
| Basal cell mild atypia | 10/21 (48) |
| Micro infiltration | 7/21 (33) |
| Well-differentiated with severe keratinization | 21/21 (100) |
| Dermal fibrosis | 13/21 (62) |
| Reactive hyperplasia of adjacent epidermis | 16/21 (76) |
| Degree of dermal inflammation | |
| Mild | 0/21 (0) |
| Moderate | 5/21 (24) |
| Severe | 16/21 (76) |
| Types of inflammatory cells | |
| Prominent neutrophils | 11/21 (52) |
| Prominent lymphocytes | 21/21 (100) |
| Prominent eosinophils | 18/21 (86) |