Table 1.
Summary of the main demographic, clinical and histopathologic characteristics of the oral erytroplakia (OE) and the clinically oral erythroplakia -like oral squamous cell carcinoma (OELSCC) cases
| OE | OELSCC | |
|---|---|---|
| Age mean (range) | 71 (54-91) | 69 (48-82) |
| Gender n (%) | ||
| Female | 8 (72.7) | 9 (100) |
| Male | 3 (27.3) | 0 (0) |
| Smoking n (%) | ||
| Yes | 0 (0) | 2 (22.2) |
| No | 11 (100) | 7 (77.8) |
| Lesion locationa n (%) | ||
| Buccal mucosa | 5 (45.4) | 2 (22.2) |
| Gingiva | 3 (27.3) | 3 (33.3) |
| Tongue | 2 (18.2) | 2 (22.2) |
| Hard palate | 1 (9.1) | 2 (22.2) |
| Floor of mouth | 0 (0) | 1 (11.1) |
| Symptoms n (%) | ||
| Yes | 3 (27.3) | 6 (85.7) |
| No | 8 (72.7) | 1 (14.3) |
| Histopathologic diagnosis of OE n (%) | ||
| Mild dysplasia | 1 (9.1) | n/a |
| Moderate dysplasia | 1 (9.1) | n/a |
| Severe dysplasia | 4 (36.4) | n/a |
| Carcinoma in situ | 3 (27.2) | n/a |
| Otherb | 2 (18.2) | n/a |
| Follow-up (average in months) | 72.7 | 33.1 |
| Malignant transformation n (%) | 1 (9.1) | n/a |
aOne OELSCC patient had lesion extending to two locations: buccal mucosa and gingiva
bLichenoid inflammation and epithelial atypia (n=1), lichenoid reaction and ulceration (n=1)
n/a = not applicable