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/inflammatory disease were described in this CT scan. CTN and carcinoembryonic antigen (CEA) values were 4280 ng/L and 40 µg/L, respectively. The patient started systemic treatment with selpercatinib in April 2021 at the initial dose of 160 mg/BID. CTN and CEA values
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-positive (TPOAb+) versus TPOAb-negative (TPOAb–) patients in some [ 15 - 18 ] but not all [ 19 ] studies. Currently, no validated major blood prognostic markers for BC are available; carcinoembryonic antigen and cancer antigen 15.3 are the most used, but have
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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
UMR9019, Genome Integrity and Cancers, CNRS, Villejuif, France
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Université de Paris, Paris, France
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Department of Radiology, AP-HP, Hôpital Cochin, Paris, France
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progressive rise in calcitonin (up to 945 pg/mL, normal value <10 pg/mL) and carcino-embryonic antigen (CEA) (up to 8.5 ng/mL, normal value <5 ng/mL) levels led to the diagnosis of costal metastases treated with external beam radiation and surgery, 8 years
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with such small samples. However, a strong positive staining for calcitonin, chromogranin A and carcinoembryonic antigen, and a lack of staining with thyroglobulin clearly indicate the nature of the cancer. Cytological analysis of the transport medium
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normal ranges. Her serum calcitonin level was 69.0 pg/ml, and her carcinoembryonic antigen level was 1.3 ng/ml. The calcium-loading test showed a clear response in serum calcitonin levels, with the basal and peak values being 59 and 440 pg
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carcinoembryonic antigen is normal (3.8 ng/ml, range 0-5). Thyroid peroxidase antibodies are elevated (112 IU/ml, normal level <35 IU/ml) and TG antibodies are normal (<20 IU/ml, normal level <40 IU/ml). Discussion SO is a highly specialized form of mature
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IdiSNA (Instituto de investigación en la salud de Navarra), Pamplona, Spain
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, Rohmer V, Chang CH, Sharkey RM, Goldenberg DM, Barbet J; French Endocrine Tumor Group: Survival improvement in patients with medullary thyroid carcinoma who undergo pretargeted anti-carcinoembryonic-antigen radioimmunotherapy: a collaborative study with
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MTC 31 22 Yes 21 (68) 18 (82) No 2 (6) 1 (5) a In patients with known date at initial diagnosis. BMI, body mass index; CEA, carcinoembryonic antigen; ECOG PS, European Cooperative Oncology Group performance
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utility of PET/CT with 18 F-DOPA and 18 F-FDG in persistent or recurrent medullary thyroid carcinoma: the importance of calcitonin and carcinoembryonic antigen cutoff. Eur J Nucl Med Mol Imaging 2017, DOI 10.1007/s00259-017-3759-4. 10.1007/s00259