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A Case of Hyalinizing Trabecular Adenoma of the Thyroid Gland
Int J Thyroidol 2017;10(1):46-49
Published online May 30, 2017;  https://doi.org/10.11106/ijt.2017.10.1.46
© 2017 Korean Thyroid Association.

Jin Hyun Seo1, Jin Pyeong Kim1 and Seung Hoon Woo1,2

Department of Otolaryngology1, Institute of Health Sciences2, Gyeongsang National University, Jinju, Korea
Correspondence to: Seung Hoon Woo, MD, Department of Otorhinolaryngology, Gyeongsang National University, 79 Gangnam-ro, Jinju 52727, Korea
Tel: 82-55-750-8173, Fax: 82-55-759-0613, E-mail: lesaby@hanmail.net
Received November 17, 2016; Revised February 22, 2017; Accepted March 9, 2017.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Hyalinizing trabecular adenoma of the thyroid gland is a rare benign neoplasm. It is characterized by an encapsulated nodule, trabecular arrangement of polygonal, oval, elongated cells, and hyalinized stroma. It is easily confused with medullary thyroid carcinoma or papillary thyroid carcinoma. Distinguishment with pathologic finding and immunohistochemical studies are needed to make a definite diagnosis. We recently experienced a case of hyalinizing trabecular adenoma of the thyroid gland. A 73-year-old woman present with an incidentally detected left thyroid mass. Fine needle aspiration was performed and papillary thyroid carcinoma was suspected. However, the surgical specimen revealed a hyalinizing trabecular adenoma. We present this case with a review of the literature.
Keywords : Hyalinizing trabecular adenoma, Papillary thyroid cancer, Medullary thyroid cancer