Table 1.
Characteristic | Median and IQR or No. (%) |
---|---|
Median age (IQR), years | 36 (23.25-49) |
Sex F:M | 214:82 |
Tumor type
Classic papillary thyroid cancer (PTC) Follicular variant PTC Tall cell variant PTC Diffuse sclerosing PTC Follicular thyroid cancer Oncocytic (Hurthle) cell cancer |
181 (61) 62 (21) 34 (11.5) 8 (2.7) 7 (2.4) 4 (1.4) |
Median Tumor size (range) cm | 2.5 (1.65-4.5) |
Tumor multifocality | 188 (63.5) |
Extra-thyroidal extension | 152 (51.4) |
Lymphovascular invasion | 97 (32.8) |
Lymph node metastases | 192 (64.9) |
Distant metastases | 47 (15.9) |
ATA risk stratification
Low risk Intermediate Risk High risk |
96 (32.4) 125 (42.2) 75 (25.3 |
TNM stages
I II III IV |
99 (33.4) 150 (50.7) 27 (9.1) 20 (6.8) |
Received radioactive iodine-131 | 259 (87.5%) |
Median administered activity | 123 mCi (100-150) |
Received additional therapies | 95 (32%) |
Outcome
No evidence of disease (Excellent response) Persistent disease (Indeterminate response, biochemically and structurally incomplete) |
175 (59) 121 (41) |