Table 1.
Clinicopathological characteristics of 353 PTMC patients.
| Clinicopathological characteristics | Value |
|---|---|
| Sex (M/F) | 89/264 |
| Age (Y), Mean ± SD (range) | 45.9 ± 11.6 |
| ≥45, n (%) | 181 (51.3%) |
| <45, n (%) | 172 (48.7%) |
| Primary tumor | |
| Tumor size (mm), Mean±SD (range) | 5.9 ± 2.6 |
| ≤ 5, n (%) | 177 (50.1%) |
| >5, n (%) | 176 (49.9%) |
| BRAF mutation*, n (%) | 34 (96.0%) |
| Multifocality, n (%) | 98 (27.8%) |
| ETE, n (%) | 38 (10.8%) |
| Vascular invasion, n (%) | 9 (2.5%) |
| LNM, n (%) | |
| CLNM only | 93 (26.3%) |
| CLNM and LLNM | 13 (3.7%) |
| Without LNM | 157 (44.5%) |
| Unknown | 90 (25.5%) |
| Surgery, n (%) | |
| Lobectomy+CND | 78 (22.1%) |
| TT+CND | 170 (48.2%) |
| TT+CND+LND | 15 (4.2%) |
| Lobectomy or partial thyroidectomy | 90 (25.5%) |
| Recurrence, n (%) | 21 (5.9%) |
| LNs | 12 (3.4%) |
| Thyroid bed | 4 (1.1%) |
| LNs and thyroid bed | 4 (1.1%) |
| Lung | 1 (0.3%) |
PTMC, papillary thyroid microcarcinoma; M, male; F, female; Y, year; SD, standard deviation; ETE, extrathyroidal extension; LNM, lymph node metastasis; CLNM, central lymph node metastasis; LLNM, lateral lymph node metastasis; TT, total thyroidectomy; CND, central neck dissection; LND, lateral neck dissection; LN, lymph node.
*
BRAF mutation analysis was started in 2017 and it was performed in 39 patients with PTC.