Table 1.

The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) classification.

Diagnostic Category	Risk of Malignancy (%)	Recommendation
I.Non-diagnostic or unsatisfactory	1–4	Repeat FNAC with Ultrasound guidance
II.Benign	0–3	Clinical Follow-up
III.AUS or FLUS	5–15	Repeat FNAC
IV.Suspected follicular neoplasm/Follicular neoplasm	15–30	Hemithyroidectomy
V.Suspected Malignancy	60–75	Near total thyroidectomy or hemithyroidectomy
VI.Malignancy	97–99	Total thyroidectomy

AUS: Atypia of undetermined significance; FLUS: follicular lesion of undetermined significance; FNAC: fine-needle aspiration cytology.