Clinical Study
Regional Failures after Selective Neck Dissection in Previously Untreated Squamous Cell Carcinoma of Oral Cavity
Table 1
Patient characteristics and treatment modalities in clinically node negative and positive patients.
| | Node negative patients | Node positive patients | | | Number () | Percent (%) | Number () | Percent (%) | |
| Gender | | | | | Not significant | Male | 104 | 66 | 38 | 62 | | Female | 54 | 34 | 23 | 38 | | Subsite | | | | | 0.009 | Anterior tongue | 119 | 75 | 40 | 66 | | Upper alveolus | 1 | 1 | 0 | 0 | | Lower alveolus | 22 | 14 | 10 | 16 | | Buccal mucosa | 16 | 10 | 6 | 10 | | Retromolar trigone | 0 | 0 | 2 | 3 | | Lips | 0 | 0 | 3 | 5 | | Grade | | | | | Not significant | Well | 79 | 50 | 31 | 51 | | Moderate | 64 | 40 | 21 | 34 | | Poor | 13 | 10 | 9 | 15 | | Treatment modality | | | | | 0.0001 | S | 25 | 16 | 1 | 2 | | S + RT | 91 | 58 | 30 | 49 | | S + CRT | 16 | 10 | 11 | 18 | | C + S + RT | 15 | 10 | 6 | 10 | | C + S + CRT | 11 | 7 | 13 | 21 | | Level | | | | | 0.002 | I–III | 33 | 21 | 2 | 3 | | I–IV | 125 | 79 | 59 | 97 | |
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S: surgery, RT: radiation therapy, and C: chemotherapy.
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