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KMID : 0361020130560040222
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Korean Journal of Otolaryngology - Head and Neck Surgery
2013 Volume.56 No. 4 p.222 ~ p.225
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Two Cases of Primary Papillary Thyroid Cancer with a Squamous Cell Carcinoma Component
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Ko Joon-Seok
Kim Jin-Pyeong
Park Jung-Je
Woo Seung-Hoon
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Abstract
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Primary squamous cell carcinoma (SCC) of the thyroid is an unusual neoplasm. Recently, a new theory has been expounded suggesting that papillary thyroid carcinoma has an SCC component, as squamous differentiation is detected in only a portion of papillary thyroid carcinomas. We experienced two cases of primary squamous cell carcinoma of the thyroid. One case was an 82-year-old woman who underwent a total thyroidectomy. Histopathologic findings revealed that the squamous cell carcinoma was extended to the soft tissue. The woman was treated with postoperative radiotherapy, but her prognosis was poor. On the other hand, the case of a 31-year-old woman who was diagnosed with squamous cell carcinoma and papillary carcinoma within the thyroid displayed good prognosis. We review the literature and discuss these two cases that bring into focus the different prognoses.
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KEYWORD
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Papillary carcinoma, Squamous cell carcinoma, Thyroid neoplasms
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