Characteristics | MI-FTC | WI-FTC | p |
---|---|---|---|
N° | 42 | 29 | – |
Suspect of malignancy by cytology (pre-op) | 30 (71.4 %)a | 15 (51.7 %)b | 0.133 |
Tumor size (mm), mean ± SD | 27.05 ± 11.52 | 39.34 ± 15.44 | 0.000 |
Range | 6–52 | 16–75 | |
Median (95 % CI) | 26 (23.57–30.53) | 38 (33.72–44.96) | |
Tumor size ≤ 1.0 cm | 4 (9.5 %) | 0 | 0.140 |
Tumor size > 1.0 cm ≤ 2.0 | 9 (21.4 %) | 2 (6.8 %) | 0.180 |
Tumor size > 2.0 cm ≤ 4.0 | 25 (59.6 %) | 15 (51.8 %) | 0.628 |
Tumor size > 4 cm | 4 (9.5 %) | 12 (41.4 %) | 0.003 |
Pathologic association | |||
Multinodular goiter | 13 (30.9 %) | 10 (34.6 %) | 0.800 |
Hashimoto’s thyroiditis | 13 (30.9 %) | 5 (17.2 %) | 0.269 |
Graves’ disease | 1 (2.4 %) | 0 | 0.851 |
Normal thyroid | 15 (35.8 %) | 14 (48.2 %) | 0.332 |
Follicular thyroid adenoma | 1 (2.4 %) | 0 | 0.851 |
Papillary microcarcinoma | 6 (14.3 %) | 3 (10.3 %) | 0.729 |
Multifocality | 0 | 2 (6.8 %) | 0.163 |
Thyroid capsular invasion | 0 | 1 (3.4 %) | 0.408 |
Vascular invasion | 9 (21.4 %) | 15 (51.8 %) | 0.011 |
Extra thyroid invasion | 0 | 1 (3.4 %) | 0.408 |
Lymph node metastasis | 0 | 5 (17.2 %) | 0.009 |
Well/Poorly differentiated | 0 | 2 (6.8 %) | 0.163 |
M1 at diagnosis | 0 | 0 | – |
Concomitant parathyroid cancer | 1 (2.4 %) | 0 | 0.851 |