Research Article
Lymph Node Metastases of Medullary Thyroid Cancer: Role of Calcitonin in the Washout Fluid of Fine-Needle Aspiration
Table 3
Diagnostic accuracy of FNA cytology and FNA-CT.
| | MTC | Non-MTC | Nondiagnostic | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
| FNA cytology | 19 (27.5%) | 46 (66.6%) | 4 (5.8%) | 81.8 | 97.9 | 94.7 | 92.0 | FNA-CT | 23 (33.3%) | 46 (66.6%) | — | 100 | 97.9 | 95.6 | 100 | FNA cytology + FNA-CT | 23 (33.3%) | 46 (66.6%) | — | 100 | 97.9 | 95.6 | 100 |
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