A Case of Typical Carcinoid of the Larynx

Table 2

Comparison of laryngeal neuroendocrine carcinoma.

Features	Carcinoid tumor	Atypical carcinoid tumor	Small-cell neuroendocrine carcinoma
Clinical
Age	Sixth decade	Sixth and seventh decades	Sixth and seventh decades
Sex ratio (M : F)	3 : 1	3 : 1	3 : 1
Location	Supraglottic	Supraglottic	Supraglottic
	submucosal	submucosal	ulcerated submucosal
Rate of metastases	33%	66.7%	90%
Paraneoplastic syndromes	Exceptional	Occasional	Occasional
Treatment	Surgery	Surgery	Systemic chemotherapy and irradiation
Prognosis	48.7% (*)	36.5–48% (*)	5–7.7% (*)
		12.2–30% (**)
Reported cases	43	More than 350 cases	More than 180 cases

(*) 5-year survival; (**) l0-year survival.