Clinical Study
Familial Papillary Thyroid Carcinoma: A Retrospective Analysis
Table 5
Selected data on history-defined families. Comparison of statistical analysis on history-defined and pathology-defined families.
| | Nonfamilial | 2nd degree or higher members | 1st Degree, 2 members | 1st Degree, 3 or more members | P-value history group | P-value pathology proven group |
| No. of patients | 521 | 36 | 55 | 52 | | | Tumour in perithyroidal tissue/thyroid Capsule penetration | 87 (16.7%) | 8 (22.2%) | 9 (16.4%) | 15 (28.8%) | 0.08 | 0.17 | Multifocal | 272 (52.2%) | 22 (61.1%) | 36 (65.5%) | 31 (59.6%) | 0.06 | 0.34 | Vascular/lymphatic invasion | 58 (11.1%) | 6 (16.7%) | 8 (14.5%) | 6 (11.5%) | 0.56 | 0.73 | Cervical nodes positive | 98 (18.8%) | 8 (22.2%) | 15 (27.3%) | 13 (25.0%) | 0.10 | 0.27 | Distant metastases | 16 (3.1%) | 2 (5.6%) | 3 (5.5%) | 7 (13.5%) | 0.002 | 0.003 | Deaths | 2 (0.4%) | 1 (2.1%) | 1 (1.8%) | 2 (3.1%) | 0.02 | 0.01 | Reoperation | 27 (5.2%) | 2 (5.6%) | 2 (3.6%) | 8 (15.4%) | 0.03 | 0.05 | RAI, Additional treatment, 2 years after initial treatment | 13 (2.5%) | 2 (5.6%) | 4 (7.3%) | 4 (7.7%) | 0.01 | 0.03 |
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