Although it was recognized at the end of the 19th Century, it was not until 1907 that Oberndorfer 4 coined the term carcinoid tumor CT to differentiate these less aggressive neoplasias from carcinomas.
En 1907 Oberndorfer 4acuñó el término de tumor carcinoide TC, para diferenciar estas neoplasias, con un comportamiento menos agresivo, de los carcinomas.