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Table 3 FNAC Result and Histology Correlation of Thyroid Nodules - Accuracy of FNAC in the Preoperative

From: Role of ultrasound, clinical and scintigraphyc parameters to predict malignancy in thyroid nodule

FNAC Final Histology Total
Bethesda Category* Benign Malign  
II 24 (80%) 6 (20%) 30 (21.7%)
III 45 (93.8%) 3 (6.2%) 48 (34.8%)
IV 16 (47.1%) 18 (52.9%) 34 (24.6%)
V 05 (31.2%) 11 (68.8%) 16 (11.6%)
VI - 10 (100%) 10 (7.3%)
Total 90 48 138 (100%)
  1. The sensitivity, specificity, positive predictive value and negative predictive value of FNAC were 82.8%, 97.7%, 80%, 80.7%, respectively.
  2. *FNAC: fine-needle aspiration cytology; II: benign; III: follicular lesion of undeterminate significance; IV: follicular neoplasm; V: suspicious of malignance; VI: malignant.