Clinical Study
Regional Failures after Selective Neck Dissection in Previously Untreated Squamous Cell Carcinoma of Oral Cavity
Table 5
Regional failures in clinically node negative and node positive neck.
| | Node negative | Node positive | Total | | | | | Number | Percent | Number | Percent |
| Tumor size | | | | | | T1 | 5 | 36 | 2 | 33 | 7 | T2 | 6 | 43 | 4 | 43 | 10 | T3 | 3 | 21 | 0 | 8 | 3 | T4 | 0 | 0 | 2 | 16 | 2 | Site | | | | | | Ipsilateral | 11 | 80 | 7 | 86 | 18 | Contralateral | 3 | 20 | 1 | 14 | 4 | Primary | | | | | | Tongue | 10 | 72 | 6 | 75 | 16 | Lower alveolus | 1 | 7 | 1 | 12.5 | 2 | Buccal mucosa | 2 | 14 | 1 | 12.5 | 3 | Upper alveolus | 1 | 7 | 0 | 0 | 1 | Extracapsular | | | | | | Present | 2 | 50 | 1 | 33 | 3 |
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