Calcitonin-negative neuroendocrine tumor of the thyroid with metastasis to liver-rare presentation of an unusual tumor: A case report and review of literature |
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Authors: | Huai-Jie Cai Han Wang Nan Cao Bin Huang Fan-Lei Kong Li-Ren Lu Ya-Yuan Huang Wei Wang |
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Affiliation: | Huai-Jie Cai, Han Wang, Nan Cao, Bin Huang, The Fourth Clinical Medicine College, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, ChinaFan-Lei Kong, Li-Ren Lu, Ya-Yuan Huang, Wei Wang, Department of Ultrasound, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou 310006, Zhejiang Province, China |
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Abstract: | BACKGROUND Neuroendocrine tumors mainly occur in the stomach, intestine, pancreas, and lung and are rarely detected in the thyroid. Thyroid neuroendocrine tumors,designated medullary thyroid carcinoma, generally present with elevated calcitonin. Calcitonin-negative neuroendocrine tumors of the thyroid are extremely rare.CASE SUMMARY Here, we present a case report of a 56-year-old female patient with a neck pain complaint. Total thyroidectomy was conducted after comprehensive evaluation,and diagnosis was confirmed as calcitonin-negative neuroendocrine tumor of the thyroid. Two months later, liver metastasis was detected, and transcatheter arterial chemoembolization was subsequently performed to control growth.However, the curative effect was unsatisfactory and multiple intrahepatic metastases occurred after 3 mo.CONCLUSION Owing to the rarity of this disease, no clear guidelines are available for treatment.In addition to reporting this rare case, we have reviewed and summarized associated medical literature with an aim to provide a comprehensive reference platform for subsequent research. |
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Keywords: | Thyroid Neuroendocrine tumor Hepatic metastases Diagnosis Treatment Case report |
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