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necessary if there is lateral lymph node compartment involvement ( 2 ). MTC follow-up is then based on a periodical neck ultrasound (US) and biochemical follow-up, based primarily on calcitonin (Ct) and carcinoembryonic antigen (CEA) measurement. Ct is
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selpercatinib. Introduction Serum tumour markers are important tools in the management of patients with medullary thyroid carcinoma (MTC) ( 1 ). Serum calcitonin (CT) and carcinoembryonic antigen (CEA) are produced by neoplastic C-cells, and their
Department of Nuclear Medicine, The Fourth hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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, early diagnosis of the primary tumor and metastases is essential for outcomes. Basal calcitonin (bCt) and carcinoembryonic antigen (CEA) can be used for diagnosis and follow-up of MTC. In case of increased bCt levels, a calcium stimulation test may be
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Calcitonin, the Marker of Medullary Thyroid Cancer Medullary thyroid cancer (MTC) can be a very aggressive tumor. Significant differences in survival have been reported according to the stage of the tumor at the time of diagnosis, the survival
Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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Department of Pathology, Haukeland University Hospital Bergen, Bergen, Norway
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Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
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disease in the lateral neck [ 3 , 14 ]. High-resolution ultrasound is important in disease staging, enabling the detection of even very small metastatic lymph nodes but not micrometastases. Calcitonin is a good tumor marker in MTC. As a rule, it is
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Introduction Calcitonin (Ctn) is a 32-amino acid polypeptide secreted by the parafollicular cells of the thyroid, called “C” cells. With a known important role in regulating blood calcium in fish and rodents, the role of Ctn in human calcium
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Introduction Calcitonin (CT), a 32-amino acid calcium-lowering peptide secreted by the C-cells (parafollicular cells) of the thyroid, is used as a marker for the diagnosis and the follow-up of medullary thyroid cancer (MTC) [ 1 ]. In patients
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Fleury Medicine and Health, São Paulo, Brazil
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Fleury Medicine and Health, São Paulo, Brazil
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Fleury Medicine and Health, São Paulo, Brazil
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Introduction Serum calcitonin (sCT) is a useful biomarker for medullary thyroid cancer (MTC) and is employed for its diagnosis and follow-up monitoring [ 1 ]. In addition, some guidelines advocate sCT measurements for the differential
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Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
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Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
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antithyroid antibodies and abnormal thyroid function in humans [ 19 , 20 ], and to modulate autoimmune hyperthyroidism in mice [ 21 ]. Apart from inhibiting osteoclast-mediated bone resorption and increasing renal calcium and phosphate excretion, calcitonin
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should be revised to recommend calcitonin screening and prophylactic thyroidectomy at an earlier age in such patients. Due to the rarity of these patients, cumulative literature on the topic is essential, and, therefore, reports such as the present one