Table 3 Lymphovascular invasion of primary tumor
From: Prognostic factors of cervical node status in head and neck squamous cell carcinoma
Lymphovascular invasion | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Oral tongue | p value a | Base of the tongue | p value a | Lip | p value a | Floor of the mouth | p value a | Buccal mucosa | p value a | Retromolar trigone | p value a | |||||||
(84) | (15) | (31) | (19) | (11) | (5) | |||||||||||||
+ | − | + | − | + | − | + | − | + | − | + | − | |||||||
Clinical staging | 0.127 | 0.825 | 0.595 | 0.898 | 0.547 | NA | ||||||||||||
Stage I | 25 | 43 | 2 | 1 | 12 | 7 | 2 | 2 | 2 | 3 | 0 | 0 | ||||||
Stage II | 2 | 1 | 2 | 2 | 2 | 4 | 4 | 2 | 1 | 1 | 1 | 0 | ||||||
Stage III | 6 | 2 | 2 | 1 | 2 | 1 | 3 | 2 | 2 | 0 | 2 | 0 | ||||||
Stage IV | 3 | 2 | 4 | 1 | 2 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | ||||||
Tumor size | 0.012 | 0.800 | 0.266 | 0.546 | 0.662 | NA | ||||||||||||
≤ 1.0 cm | 3 | 19 | 0 | 1 | 6 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | ||||||
1.1–2.0 cm | 23 | 25 | 1 | 1 | 7 | 1 | 1 | 1 | 3 | 2 | 0 | 0 | ||||||
2.1–3.0 cm | 3 | 1 | 3 | 1 | 2 | 4 | 4 | 2 | 2 | 1 | 0 | 0 | ||||||
3.1–4.0 cm | 5 | 2 | 4 | 1 | 2 | 1 | 4 | 3 | 3 | 0 | 2 | 1 | ||||||
> 4.0 cm | 2 | 1 | 2 | 1 | 1 | 2 | 2 | 0 | 1 | 1 | 2 | 0 | ||||||
Pathologic differentiation | 0.339 | 0.804 | 0.843 | 0.564 | NA | NA | ||||||||||||
Well differentiated | 22 | 28 | 3 | 3 | 9 | 5 | 6 | 2 | 5 | 2 | 0 | 0 | ||||||
Moderately differentiated | 8 | 16 | 2 | 2 | 4 | 5 | 4 | 4 | 2 | 0 | 2 | 0 | ||||||
Poorly differentiated | 5 | 2 | 1 | 3 | 4 | 3 | 1 | 2 | 1 | 1 | 0 | 0 | ||||||
Undifferentiated | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | ||||||
Neck dissection | 1.000 | 0.608 | 1.000 | 1.000 | 1.000 | NA | ||||||||||||
Therapeutic | 9 | 4 | 6 | 2 | 3 | 2 | 6 | 3 | 3 | 1 | 3 | 1 | ||||||
Prophylactic | 2 | 1 | 4 | 3 | 3 | 4 | 4 | 2 | 1 | 1 | 1 | 0 | ||||||