Table 1 Disease and sentinel lymph node characteristics
From: Lymphatic drainage of sinonasal malignancies and the role of sentinel node biopsies
Total patients | N = 20 |
|---|---|
Primary site | n (%) |
- Nasal cavity | 10 (50%) |
- Nasal vestibule | 7 (35%) |
- Ethmoid sinus | 2 (10%) |
- Maxillary sinus | 1 (5%) |
Histological types | |
- Squamous cell carcinoma | 10 (50%) |
- Adenocarcinoma | 4 (20%) |
- Malignant melanoma | 3 (15%) |
- Adenoid cystic carcinoma | 1 (5%) |
- Mucoepidermoid carcinoma | 1 (5%) |
- Undifferentiated carcinoma | 1 (5%) |
Pathological tumour category | |
- T1 | 3 (15%) |
- T2 | 11 (55%) |
- T3 | 1 (5%) |
- T4 | 5 (25%) |
Clinical N category | |
- cN0 | 20 (100%) |
Pathological N category | |
- pN0 | 20 (100%) |
Location of sentinel lymph node | |
ipsilateral | |
- Neck region I | 9 (45%) |
- Neck region II | 8 (40%) |
- Neck region III | 1 (5%) |
- Preauricular | 1 (5%) |
bilateral | |
- Neck region I | 1 (5%) |