Search results for "Calcitonin Measurement"

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ENDOCRINE TUMOURS: Calcitonin in thyroid and extra-thyroid neuroendocrine neoplasms: the two-faced Janus.

2020

An increased calcitonin serum level is suggestive of a medullary thyroid cancer (MTC), but is not pathognomonic. The possibility of false positives or other calcitonin-secreting neuroendocrine neoplasms (NENs) should be considered. Serum calcitonin levels are generally assessed by immunoradiometric and chemiluminescent assays with high sensitivity and specificity; however, slightly moderately elevated levels could be attributable to various confounding factors. Calcitonin values >100 pg/mL are strongly suspicious of malignancy, whereas in patients with moderately elevated values (10–100 pg/mL) a stimulation test may be applied to improve diagnostic accuracy. Although the standard protoco…

MalediagnosisEndocrinology Diabetes and Metabolismbiomarkers; tumor; calcitonin; calcitonin gene-related peptide; carcinoma neuroendocrine; diagnosis differential; endocrine gland neoplasms; false positive reactions; female; humans; janus kinases; male; middle aged; reference values; sensitivity and specificity; thyroid neoplasmscarcinoma0302 clinical medicineEndocrinologyReference ValuehumansEndocrine Gland NeoplasmThyroidMedullary thyroid cancerGeneral MedicineFalse Positive Reactionreference valuesMiddle Agedmedicine.anatomical_structure030220 oncology & carcinogenesisFemalehormones hormone substitutes and hormone antagonistsHumanThyroid nodulesCalcitoninmedicine.medical_specialtytumordifferentialCalcitonin Gene-Related Peptide030209 endocrinology & metabolismNeuroendocrinologySensitivity and SpecificityDiagnosis Differential03 medical and health sciencesInternal medicinemedicineBiomarkers TumorneuroendocrineThyroid NeoplasmsCalcitonin Measurementbusiness.industryfalse positive reactionsbiomarkersCalcitonin secretionmedicine.diseaseCarcinoma NeuroendocrineEndocrinologyCalcitoninjanus kinasesJanus KinaseDifferential diagnosisendocrine gland neoplasmsbusiness
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