Table 1.
Histological findings.
| Original report, n = 121 |
Review report, n = 121 |
|
|---|---|---|
| Histological type | ||
| Squamous cell | 113 | 114 |
| Adenocarcinoma | 3 | 3 |
| Not specified | 1 | 1 |
| Other types of epithelial tumor* | 4 | 3 |
| Tumor grade | ||
| Unknown | 41 | 20 |
| Well differentiated | 37 | 40 |
| Moderately differentiated | 38 | 53 |
| Poorly differentiated | 5 | 8 |
| Depth of infiltration | ||
| Less than 1 mm | 5 | 4 |
| More than 1 mm | 52 | 79 |
| Not possible | 11 | 17 |
| Missing | 53 | 21 |
| Margins (only for excisions, n = 39) | ||
| Less than 1 cm | 26 | 24 |
| More than 1 cm | 5 | 8 |
| Missing | 8 | 7 |
| Completeness of report | ||
| Adequate** | 68 (56%) | 100 (83%) |
| Incomplete | 53 (44%) | 21 (17%) |
*Including a mixed tumor with squamous carcinoma and adenocarcinoma, a granular cell tumor, and an adenoid cystic carcinoma.
**Adequate reports include tumor type and infiltration depth.