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KMID : 0356820180340010033
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Korean Journal of Head & Neck Oncology
2018 Volume.34 No. 1 p.33 ~ p.36
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A Case of Thyroid Hyalinizing Trabecular Tumor Mistaken for Papillary Carcinoma in Aspiration Cytology
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Hong Seok-Jung
Kim Eun-Ju
Kim Seung-Woo
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Abstract
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Hyalinizing trabecular tumor (HTT) of the thyroid gland is a rare neoplasm and only less than 100 cases have been reported so far. It is characterized by hyalinizing stroma with trabecular growth pattern and has an indolent clinical course. Because of its histologic features, it is frequently misdiagnosed as papillary or medullary carcinoma in fine needle aspiration cytologic findings. The tumor is benign or low malignant potential and thyroid lobectomy is recommended for adequate treatment. We recently experienced a case of thyroidal HTT in a 57-year-old man, who presented with a right thyroid nodule that was suspicious of papillary carcinoma in aspiration cytology. We report the unique and rare disease entity with brief literature review.
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KEYWORD
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Hyalinizing trabecular tumor, Papillary thyroid carcinoma, Aspiration cytology
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