Table 4.

Reporting system of thyroid FNA cytology

Country	Before TBSRTC	After TBSRTC
China	No data	TBSRTC is the most widely accepted.
India	No data	TBSRTC is the most widely used.
Japan	General Rules for the Description of Thyroid Cancer (GRDTC): adapted from the 1996 Papanicolaou Society recommendations; published by the Japanese Society of Thyroid Surgery in 2005 and updated in 2006	GRDTC system is widely used.
		Japanese system for thyroid FNA cytology published by the Japan Thyroid Association (JTA) in 2013: used in several high-vdume thyroid surgery centers
		TBSRTC is rarely used.
Korea	Not standardized and varied, but mostly followed guidelines of the Papanicolaou Society of Cytopathology	TBSRTC is the most widely accepted.
Philippines	Based on histopathologic terminology of thyroid disorder	TBSRTC is the most widely used.
Taiwan	All investigators used different diagnostic categories.	TBSRTC or the 6-tier system corresponding to each Bethesda category
Thailand	Not standardized and varied, e.g., thyroid FNA reporting was based on specific diagnosis of the lesions.	TBSRTC is the most widely accepted.

FNA, fine-needle aspiration; TBSRTC, The Bethesda System for Reporting Thyroid Cytopathology.