Calcitonin is produced by the parafollicular C cells and represents the classical clinical marker for medullary thyroid carcinoma. Here, the authors describe how measurement of basal and stimulated serum calcitonin levels can be used for screening, differential diagnosis, prognostic assessment, and follow-up monitoring in patients with medullary thyroid carcinoma.
- Giuseppe Costante
- Cosimo Durante
- Sebastiano Filetti