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KMID : 0361020110540040300
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Korean Journal of Otolaryngology - Head and Neck Surgery
2011 Volume.54 No. 4 p.300 ~ p.303
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One Case of a Primary Papillary Thyroid Carcinoma in the Intrathoracic Lymph Node
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Kim Kyu-Hun
Kim Hee-Kyung
Kim Jae-Wook
Lee Seung-Won
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Abstract
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A primary papillary thyroid carcinoma in the intrathoracic lymph node is very rare. There are two potential explanations of the lesion. The first possibility of the lesion is metastatic disease from an occult primary thyroid papillary microcarcinoma. Other possibility is malignant transformation of the aberrant thyroid tissue within the intrathoracic lymph node, which is the favored etiology in this case. We experienced an extremely rare case of true intrathoracic thyroid cancer in a 78-year-old woman, presenting with an intrathoracic malignancy. We confirmed it as papillary thyroid cancer, but there were no primary sites of thyroid glands. So, we report this rare case of a primary papillary thyroid carcinoma in the intrathoracic lymph node.
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KEYWORD
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Intrathoracic lymph node, Papillary thyroid carcinoma, Aberrant thyroid tissue
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