Abstract
Carcinoid tumors belong among the most common occured tumors of neuroendocrine tumors (NET). Incidence of these tumors has increased in recent years.
Inlight of their hormonal activity carcinoid tumors form very various and heterogeneous group.Neuroendocrine enterochromaffin cells (EC cells) are their base, which occured dispersionly in different anatomic body parts, primary in guts and main bronchus submucous. For the most part it deals about growing tumors with relatively indolent course.