TABLE 1.
Frequency and presence of recurrence in cutaneous head and neck SCC according to topography (N=79), Broders' grade, inflammatory infiltrate, perineural invasion, and positive margins (N=78)
| Location | Frequency | Recurrence | p | |||
|---|---|---|---|---|---|---|
| N | (%) | N | (%) | |||
| Neck | 3 | (4) | 1 | (33) | 0.88 | |
| Ear | 5 | (6) | - | (-) | ||
| Lip* and chin | 5 | (6) | - | (-) | ||
| Mandibular and maxillary | 20 | (25) | 3 | (15) | ||
| Frontal | 18 | (23) | 1 | (6) | ||
| Pre- and retroauricular | 7 | (9) | - | (-) | ||
| Scalp | 4 | (5) | 1 | (25) | ||
| Nasal | 16 | (20) | 1 | (6) | ||
| Unspecified | 1 | (1) | - | (-) | ||
| Broders' grade | ||||||
| I | 41 | (53) | 2 | (5) | <0.01 | |
| II | 27 | (35) | 2 | (7) | ||
| III | 3 | (4) | - | (-) | ||
| IV | 7 | (9) | 3 | (43) | ||
| Inflammatory infiltrate | ||||||
| Mild | 34 | (43) | 1 | (3) | 0.22 | |
| Moderate | 26 | (33) | 4 | (15) | ||
| Severe | 18 | (24) | 2 | (11) | ||
| Surgical margins | ||||||
| Free of tumor | 67 | (86) | 5 | (7) | 0.25 | |
| Positive | 11 | (14) | 2 | (18) | ||
| Perivascular infiltrate | ||||||
| No | 71 | (91) | 6 | (8) | 0.48 | |
| Yes | 7 | (9) | 1 | (14) | ||
| Perineural infiltrate | ||||||
| No | 72 | (94) | 6 | (8) | 0.38 | |
| Yes | 5 | (6) | 1 | (20) | ||
*
not included labial mucosa