This report is a analysis of 72 cases of mediastinal tumors which are originated in mediastinum or probably metastasized from other organs, and classified on the basis of histopathological types. And all are experienced in the Depart. Thoracic and cardiovascular Surgery, National Medical Center from 1959 to April 1976.
Among these cases, 58 cases were confirmed by histopathologically, and remained 14 cases were considered as mediastinal tumor by clinically and roentgenologically.
In this series, dermoid cyst and teratoma was most frequent tumor among histopathologically cirnfirme cases(27.6%), and thymoma 20.7%, neurogenic tumors 17.2%, carcinoma 19%, lymphoid tumor 8.6% and others was 6.9%. The cases of not verified histopathologically were 14 cases. The main clinical symptoms were dyspnea on exertion or orthopnea (62.55%), productive or irritative cough 59.77%), decreased breathing sound (43.09%). S.V.C syndroms was seen in 25.02%, and there were no definitive symptom in 4.2% of all cases.
The main treatment method were surgical removal and irradiation theraphy.
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