From: Rates of thyroid malignancy by FNA diagnostic category
FNA result
Number of FNAs (%)
Unsatisfactory
431 (28.9)
Benign
681 (45.7)
Abnormal
281 (18.8)
SFN
65 (4.4)
SFM
19 (1.3)
Malignant
14 (0.9)