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KMID : 0986520140140010022
Korean Journal of Endoscrine Surgery
2014 Volume.14 No. 1 p.22 ~ p.26
Hyalinizing Trabecular Tumor (HTT) of Thyroid: Two Case Report
Ma Mi-Sook

Jung Eun-Jung
Kim Ju-Yeon
Choi Sang-Kyung
Hong Soon-Chan
Lee Young-Joon
Ju Young-Tae
Jeong Chi-Young
Jeong Sang-Ho
Park Tae-Jin
Kwag Seung-Jin
Park Ji-Ho
Lee Jeong-Hee
Abstract
Hyalinizing trabecular tumor (HTT), a type of thyroid lesion, was first reported by Carney in 1987 and has since been reported continuously. Due to its histological non-specificity, HTT can be misdiagnosed as papillary thyroid cancer or medullary thyroid cancer. For this reason, over treatment might occur; for example, total thyroidectomy and lymphade-nectomy. Diagnosis and treatment is a challenge because there is still controversy regarding HTT characters. We report on two cases. One patient was a 48-year-old female and the other was a 46-year-old female. Both patients complained of a thyroid mass and were diagnosed as HTT.
KEYWORD
Hyalinizing trabecular tumor, Papillary thyroid cancer, Medullary thyroid cancer, Differential diagnosis
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