Risk of malignancy and clinical management of TBSRTC by diagnostic classification

by Specialist

Diagnostic grading

Risk of malignancy

Clinical management

Not diagnosable/unsatisfactory

5% to 10%

Repeat FNA (under ultrasound guidance)

Benign

0% to 3%

Follow up

Atypical cells of undetermined significance/

10% to 30%

Repeat FNA/molecular testing/surgery

Follicular lesions of undetermined significance
Follicular neoplasm/suspected follicular

25% to 40%

 
Molecular testing/surgery

Tumors

Suspicious malignancy

50% to 75%

Surgery

malignant

97% to 99%

Surgery