PT - JOURNAL ARTICLE AU - Matthew D. Kay AU - Lilah F. Morris-Wiseman AU - Alex Beazer AU - Blair A. Winegar AU - Phillip H. Kuo TI - Primary Nasolacrimal Duct Obstruction Visualized on <sup>123</sup>I Preablation Scan for Papillary Thyroid Carcinoma AID - 10.2967/jnmt.119.235010 DP - 2020 Mar 01 TA - Journal of Nuclear Medicine Technology PG - 77--78 VI - 48 IP - 1 4099 - http://tech.snmjournals.org/content/48/1/77.short 4100 - http://tech.snmjournals.org/content/48/1/77.full SO - J. Nucl. Med. Technol.2020 Mar 01; 48 AB - A 56-y-old man underwent total thyroidectomy and bilateral central and right lateral neck dissection for papillary thyroid carcinoma with lymph nodes metastases. Before radioiodine ablation, a 123I scan established the diagnosis of primary nasolacrimal duct obstruction (dacryostenosis).