Table 2.

Assay Results at Different Levels of Initial RNA

	Initial RNA Level
Sample	5 ng	10 ng	20 ng	40 ng	Histologic Type
FNA‐1	Failed assay QC	Failed assay QC	Benign	Benign	Nodular hyperplasia
FNA‐2	Benign	Malignant	Malignant	Malignant	Papillary carcinoma
FNA‐3	Malignant	Malignant	Malignant	Malignant	Papillary carcinoma
FNA‐4	Benign	Benign	Benign	Benign	Papillary carcinoma
FNA‐5	Malignant	Malignant	Malignant	Malignant	Papillary carcinoma
FNA‐6	Benign	Benign	Benign	Benign	Follicular adenoma
FNA‐7	Failed assay QC	Malignant	Malignant	Benign	Follicular adenoma
FNA‐8	Failed assay QC	Benign	Benign	Benign	Nodular hyperplasia
FNA‐9	Malignant, medullary	Malignant, medullary	Malignant, medullary	Malignant, medullary	Medullary carcinoma
FNA‐10	Benign	Benign	Benign	Benign	Nodular hyperplasia
FNA‐11	Malignant	Malignant	Malignant	Malignant	Papillary carcinoma
FNA‐12	Benign	Benign	Benign	Failed assay QC	Nodular hyperplasia (nodular goiter)

Abbreviations: FNA, fine‐needle aspiration; QC, quality control.