Table 6.
Wain’s criteria in tumours of the oral cavity
| Case | Basaloid component | Squamous component | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| % | Solid growth | Cellularity | Nuclei | Cystic spaces | Necrosis | Hyalinization | Keratinization | Intercel bridging | Horny pearls | Mosaic pattern | |
| 1 | 83 | +++ | +++ | +++ | − | + | − | + | + | − | − |
| 2 | 83 | +++ | ++ | +++ | − | + | + | + | + | − | − |
| 3 | 83 | +++ | +++ | +++ | − | + | − | + | + | − | − |
| 4 | 87 | +++ | +++ | +++ | − | +++ | ++ | + | + | − | − |
| 5 | 45 | + | ++ | ++ | − | ++ | − | +++ | +++ | ++ | − |
| 6 | 78 | +++ | +++ | +++ | − | + | + | + | + | + | − |
%: percentage of basaloid component
+++ abundant, ++ moderate, + scarce, − absent