[Calcitonin-producing neuroendocrine carcinoma of the larynx: atypical carcinoid tumor].

A 63-year-old woman presented with a metastasizing neuroendocrine carcinoma of the larynx (atypical carcinoid) that was misdiagnosed as laryngeal paraglioma. The calcitonin-producing tumor simulated a medullary thyroid carcinoma.