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KMID : 0882420130840010111
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Korean Journal of Medicine
2013 Volume.84 No. 1 p.111 ~ p.115
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A Case Report of Papillary Thyroid Carcinoma Presenting as Elevated Serum CA 19-9
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Jang Eun-Kyung
Choi Yun-Mi
Kim Ho-Cheol
Kim Tae-Yong
Hong Suck-Joon
Shong Young-Kee
Kim Won-Bae
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Abstract
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A 47-year-old man had elevated serum CA 19-9 after a routine health check-up. He had normal CA 19-9 levels during the preceding 8 years on annual heath checks. Imaging studies for pancreatic or biliary tract diseases revealed no abnormalities. A huge hypermetablic lesion was found in the right lobe of the thyroid on 18F-fluorodeoxyglucose positron emission tomography/computed tomography. We performed a fine needle aspiration of the thyroid nodule. He was diagnosed with papillary thyroid carcinoma and underwent a total thyroidectomy with a modified radical neck dissection. Serum CA 19-9 level decreased to the normal range after surgery. Although there have been few reports of patients with elevated serum CA 19-9 levels due to papillary thyroid carcinoma, this is the first report showing such an association in Korea. Thyroid cancer should be considered when the causes of elevated serum CA 19-9 are unclear.
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KEYWORD
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Serum CA 19-9, Papillary thyroid carcinoma
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