Table 1.
Clinicopathological features of papillary thyroid carcinomas (PTCs) in this study
| Clinicopathological feature | Number |
|---|---|
| Sex (male:female) | 30:61 |
| TNM stage (AJCC) | |
| I | 41 |
| II | 15 |
| III | 12 |
| IV | 23 |
| Tumor size (cm) | 2.95 ± 1.26 |
| Microcarcinomaa | 14 |
| Multicentricityb | 14 |
| Extrathyroidal invasion (structures involved) | 25 |
| Perithyroid muscle and soft tissues only | 14 |
| Recurrent laryngeal nerve | 5 |
| Trachea | 4 |
| Esophagus | 2 |
| Carotid artery sheath | 2 |
| Jugular vein | 6 |
| Lymph node metastasis | 52 |
| Length of follow-up, mean years (range) | 1.81 (0.5–3.5) |
| Recurrence of lymph node metastasis | 5 |
| Distant metastasis | 3 |
Notes:
a
Tumors had a maximum diameter of ≤10 mm;
b
the number of PTCs was >2.
Abbreviations: AJCC, American Joint Committee on Cancer Staging; PTC, papillary thyroid carcinoma; TNM, tumor-node metastasis.