Research Article
Mediastinal Lymph Node Metastases in Thyroid Cancer: Characteristics, Predictive Factors, and Prognosis
Table 2
Characteristics of the PTC patients for initial treatment.
| | Age (y) mean (range) | PTC for initial treatment () | | 40 (14–66) | | Number | Percent (%) |
| | Gender | | | | Male | 23 | 48.9 | | Female | 24 | 51.1 | | Approaches of MLND | | | | Transcervical | 47 | 100 | | Transsternal | 0 | 0 | | Bilaterality | 18 | 38.3 | | Multifocality | 20 | 42.6 | | ETE | 14 | 29.8 | | Median number of lymph nodes involved (n) | | | | Central | 4 | — | | Lateral | 8 | — | | Mediastinal | 1 | — | | Lymph node invasion | 3 | 6.4 | | T stage | | | | T1a | 5 | 10.6 | | T1b | 15 | 31.9 | | T2 | 11 | 23.4 | | T3 | 7 | 14.9 | | T4 | 9 | 19.1 | | M stage | | | | M0 | 44 | 93.6 | | M1 | 3 | 6.4 | | AJCC stage | | | | I | 26 | 55.3 | | IV | 21 | 44.7 | | Surgery | | | | TT or nTT | 29 | 61.7 | | Unilateral lobectomy | 18 | 38.3 | | Lateral and central LND | 35 | 74.5 | | Central LND | 12 | 25.5 | | Prognosis | | | | Disease-free | 38 | 80.9 | | Recurrence | 7 | 14.9 | | Distant metastasis | 1 | 2.1 | | Death | 2 | 4.3 | | Disease-specific death | 1 | 2.1 |
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MLNM: mediastinal lymph node dissection; ETE: extrathyroidal extension; TT: total thyroidectomy; nTT: near total thyroidectomy; LND: lymph node dissection.
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