Table 2.
Clinicopathologic features of intermediate-risk differentiated thyroid cancers (DTCs) at diagnosis
| Intermediate-risk DTCs (n = 39) | |||
|---|---|---|---|
| Features | DTCs treated with TT | DTCs treated with LT | P Value |
| (n = 27) | (n = 12) | ||
| Median age at diagnosis: years (range) | 47 (15–74) | 36.5 (8–70) | 0.243 |
| Female/male (%) | 23/4 (85/15) | 9/3 (75/25) | 0.450 |
| Presurgical diagnosis: yes/indeterminate/no (%) | 17/2/8 (63/7/30) | 7/1/4 (58/8/34) | 0.963 |
| Mean size: mm (range) | 16.9 (3–47) | 17.3 (8–60) | 0.910 |
| Histology: FTC/PTC) (%) | 2/25 (7/93) | 1/11 (8/92) | 0.921 |
| Histologic variants of PTC: classical/follicular/other (%) | 13/5/7 (52/20/28) | 5/3/3 (46/27/27) | 0.761 |
| Extrathyroidal invasion: yes/no (%) | 11/16 (41/59) | 7/5 (58/42) | 0.315 |
| Multifocality: yes/no (%) | 11/16 (41/59) | 2/10 (17/83) | 0.146 |
| TNM | |||
| T1/T2/T3/T4 (%) | 15/1/11/0 (56/4/40/0) | 3/1/7/1 (25/8/59/8) | 0.184 |
| N1/N0/NX (%) | 15/3/9 (56/11/33) | 8/0/4 (67/0/33) | 0.470 |
| M1/M0 (%) | 0/27 (0/100) | 0/12 (0/100) | 1 |
| AJCC stage (1/2/3/4) | 17/0/7/3 (63/0/26/11) | 8/0/3/1 (67/0/25/8) | 0.959 |
TT total thyroidectomy, LT lobectomy, FTC follicular thyroid cancer, PTC papillary thyroid cancer, TNM tumor-node-metastasis, AJCC American Joint Committee on Cancer