An elevated serum calcitonin level is a highly sensitive marker ... Serum calcitonin is a highly sensitive marker for medullary thyroid cancer More evidence is necessary before routine calcitonin ...

Tests commonly ordered check levels of thyroid-stimulating hormone (TSH) and T3 and T4 hormones. Blood tests are also used to monitor thyroid cancers. Medullary thyroid cancer accounts for around 5% ...