Research Article
Patterns of Cervical Lymph Node Metastases in Primary and Recurrent Papillary Thyroid Cancer
Table 3
Nodal positivity in patients with PTC within different levels of the neck.
| | N | I | II | III | IV | V | VI |
| | Sivanandan and Soo [14] | 75 | 3.75% | 48.7% | 65% | 56.3% | 28.7% | — | | Pingpank et al. [15] | 44 | 37.5% | 43.1% | 76.4% | 58.8% | 28% | — | | Kupferman et al. [8] | 39 | 14% | 52% | 57% | 41% | 21% | — | | Lee et al. [16] | 167 | — | 55.5% | 80.6% | 74.9% | 16.8% | — | | Roh et al. [9] | 52 | 3.7% | 72.2% | 72.2% | 75.9% | 12.9% | 84.6% | | Kupferman et al. [17] | 70 | 27% | 57% | 62% | 62% | 53% | 77% | | Farrag et al. [18] | 53 | — | 60% | 66% | 50% | 40% | — |
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