Research Article
Occult Central Lymph Node Metastasis in cN0 Papillary Thyroid Carcinoma Patients Undergoing TOETVA Procedure
Table 1
Clinicopathological characteristics of patients.
| | Variables | Value |
| | Age (mean-min max) | 36.1 ± 9.1 (13–67) | | Gender | | Male | 14 (4) | | Female | 332 (96) | | Graves’ disease | 4 (1.15) | | Tumor size on ultrasound | | Size of the tumor that is suspected cancer (mm) | 7.6 ± 3.7 (2.6–20) | | Cancer size | | Right/left lobe | 329 (95.1) | | Isthmus/both lobes | 17 (4.9) | | Procedure | | Total thyroidectomy | 55 (15.9) | | Conservative thyroidectomy | 291 (84.1) | | Central neck dissection | | One side | 298 (86.1) | | Both sides | 48 (13.9) | | Occult lymph node metastasis ratio | 138 (39.9) | | Number of lymph node (median–IQR) | | Harvested | | One side CND | 5 (3–7) | | Both side CND | 7 (3–10) | | Metastasis | | One side CND | 2 (1–3) | | Both side CND | 3 (2–6) | | The ratio of metastasis lymph node/harvested lymph node (n = 138) | 0.5 ± 0.3 (0.05–1) | | Tumor classification | | T1a | 267 (77.2) | | T1b | 49 (14.2) | | T3b | 30 (8.6) | | Postoperative pathology | | Pathology type | | Papillary carcinoma | 340 (98.3) | | Variants of papillary carcinoma | 6 (1.7) | | Microscopic capsular invasion | | No | 256 (74) | | Yes | 90 (26) | | Thyroiditis | | No | 285 (82.4) | | Yes | 61 (17.6) |
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Number in parentheses represents percentage.
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