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Table 2 Malignancy rates per preoperative thyroid FNA diagnostic category

From: Thyroid Fine-needle aspiration biopsy: an evaluation of its utility in a community setting

FNA Result

Malignancy rates

Unsatisfactory

6/49: 12.2%

2/17: 11.8%*

Benign

10/38: 26.3%

4/22: 18.0%*

Inconclusive

29/100: 29%

22/76: 28.9%*

Suspicious for malignancy

6/8: 75%

6/8: 75%*

Malignant

2/2: 100%

2/2: 100%*

Overall

26.9%

28.8%*

  1. *using most malignant FNA for those patients with more than one preoperative FNA.
  2. FNA: fine-needle aspiration biopsy.