What has changed with 2015 American Thyroid Association Management Guidelines.

ATA (American Thyroid Association) has published “Treatment Guidelines for Patients with Thyroid Nodules and Differentiated Thyroid Cancer (DTC)” in 1996, and the first “ATA Thyroid Nodules and Differentiated Thyroid Cancer Guidelines” in 2006. The first update was published in 2009 while the most recent update was reported in Thyroid (DOI:10.1089/thy.2015.0020) in the beginning of 2016 as the “2015 Guidelines”. Just to compare these guidelines roughly with numbers; while the guideline in 2009 consisted of 48 pages and 437 references, the recent update involves 411 pages, including 1078 references. With this update, 8 new questions, 21 new suggestions, and significant alterations in 21 suggestions has been ascertained (5, 6).