Endocrinol Metab > Volume 24(1); 2009 > Article
Journal of Korean Endocrine Society 2009;24(1):54-57.
DOI: https://doi.org/10.3803/jkes.2009.24.1.54    Published online March 1, 2009.
A Case of Hyalinizing Trabecular Adenoma of the Thyroid Gland.
Hyun Won Shin, Young Lyun Oh, Hye Won Jang, Ji In Lee, Sun Wook Kim, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
1Division of Endocrinology & Metabolism, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
2Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
Hyalinizing trabecular tumor is a rare benign thyroid tumor first described by Carney et al. in 1987. The tumor is characterized by an encapsulated nodule, trabecular arrangement of polygonal, oval, elongated cells, and hyalinized stroma. It is easily confused with papillary thyroid carcinoma or medullary thyroid carcinoma on surgical and cytologic specimens. A 45-year-old man presented 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 hyalinizing trabecular adenoma case to share our experience with physicians and specialists.
Key Words: hyalinizing trabecular tumor, thyroid gland, thyroid neoplasm

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