Table 2 Characteristics of squamous cell carcinoma depend on the site of primary tumor
From: Prognostic factors of cervical node status in head and neck squamous cell carcinoma
Site of cancer | ||||||
|---|---|---|---|---|---|---|
Oral tongue | Base of the tongue | Lip | Floor of the mouth | Buccal mucosa | Retromolar trigone | |
84 (%) | 15 (%) | 31 (%) | 19 (%) | 11 (%) | 5 (%) | |
Clinical staging | ||||||
Stage I | 68 (80.95) | 3 (20.00) | 19 (61.29) | 4 (21.05) | 5 (45.45) | 0 (0.00) |
Stage II | 3 (3.57) | 5 (33.33) | 6 (19.35) | 6 (31.58) | 2 (18.18) | 1 (20.00) |
Stage III | 8 (9.52) | 3 (20.00) | 3 (9.68) | 5 (26.32) | 2 (18.18) | 2 (40.00) |
Stage IV | 5 (5.95) | 4 (26.67) | 3 (9.68) | 4 (21.05) | 2 (18.18) | 2 (40.00) |
Tumor size | ||||||
≤ 1.0 cm | 22 (26.19) | 1 (6.67) | 11 (35.48) | 2 (10.53) | 1 (9.09) | 0 (0.00) |
1.1–2.0 cm | 48 (57.14) | 2 (13.33) | 8 (25.81) | 2 (10.53) | 5 (45.45) | 0 (0.00) |
2.1–3.0 cm | 4 (4.76) | 4 (26.67) | 7 (22.58) | 6 (31.58) | 2 (18.18) | 0 (0.00) |
3.1–4.0 cm | 7 (8.33) | 5 (33.33) | 3 (9.68) | 7 (22.58) | 2 (18.18) | 3 (60.00) |
> 4.0 cm | 3 (3.57) | 3 (20.00) | 2 (13.33) | 2 (10.53) | 1 (9.09) | 2 (40.00) |
Pathologic differentiation | ||||||
Well differentiated | 50 (59.52) | 6 (40.00) | 15 (48.39) | 8 (42.11) | 7 (63.63) | 0 (0.00) |
Moderately differentiated | 24 (28.57) | 4 (26.67) | 8 (25.81) | 8 (42.11) | 2 (18.18) | 3 (60.00) |
Poorly differentiated | 7 (8.33) | 4 (26.67) | 7 (22.58) | 3 (15.79) | 2 (18.18) | 2 (40.00) |
Undifferentiated | 3 (3.57) | 1 (6.67) | 1 (3.23) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
Neck dissection | ||||||
Therapeutic | 13 (15.48) | 8 (53.33) | 5 (16.13) | 9 (47.37) | 4 (36.36) | 4 (80.00) |
Prophylactic | 3 (3.57) | 7 (46.67) | 7 (22.58) | 6 (31.58) | 2 (18.18) | 1 (20.00) |