Table 1:

Comparison of the initial FNA and CNB results with the final pathology resultsa

Final DiagnosisInitial FNA Results (n = 182)CNB (n = 22)b MTC
NDBenignAUSFNPTCMalignancy, OthersMTC
MTC61344125157422
PTC7
Follicular adenoma2
Follicular carcinoma2
Hyalinizing trabecular tumor1
Anaplastic carcinoma1
  • Note:—ND indicates nondiagnostic; FN, follicular neoplasm or suspicious for follicular neoplasm.

  • a Data indicate the number of nodules.

  • b CNB was initially performed (n = 1) after the FNA results of non-MTC (n = 13) or with simultaneous FNA (n = 8).