MEDIASTINAL TUMOR OF THYMIC ORIGIN AND RELATED TO CARCINOID TUMOR

A 32-year-old male was found, by a routine x-ray examination, to have a mediastinal tumor protruding Into the thoracic cavity from the right hilus. The presence of a rosette formation and argyrophil and neurosecretory granules Indicated a carcinoid. The thymic residues adhering to the tumor suggested that this tumor originated from the thymus. Based on the literatures previously published, this case will be the third case reported in this country; importance of the entity of such a tumor was emphasized.