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.

MTCNon-MTCNondiagnosticSensitivity (%)Specificity (%)PPV (%)NPV (%)

FNA cytology19 (27.5%)46 (66.6%)4 (5.8%)81.897.994.792.0
FNA-CT23 (33.3%)46 (66.6%)10097.995.6100
FNA cytology + FNA-CT23 (33.3%)46 (66.6%)10097.995.6100