Calcitonin-secreting neuroendocrine tumor of the larynx, a diagnostic challenge of a rare neoplasm: a case report and literature review.

This is the eighth case report of laryngeal NET, highlighting the challenge in pathological differential diagnosis and therapeutic strategies. The association with elevated serum calcitonin and the trend of this parameter during clinical progression suggest a role of this marker in the diagnosis and early identification of recurrent laryngeal NETs.