The period from 1959 to 1976, authors experienced 13 cases of thymoma at the Department of Thoracic and Cardiovascular Surgery in National Medical Center.
Ten patients were male, and 3 patients were female.
Main complaints were cough 76.9%, dyspnea, 69.2%, chest pain 61.6%, myasthenia gravis 23.1% and S. V. S 23.1%.
All of them located anterior mediastinum. 7 cases were benign and cases were malignant.
Lymphocytic type was 5 cases, epithelial type 3 cases, spindle cell type 1 case, mixed type 2 cases, cystic type 1 case and seminomatous type 1 case.
All cases were surgically approached but in malignant cases, only 1 case was palliatively removed and followed radiation therapy. 4 cases were made only biopsy, among them, obtained good response with radiation therapy in seminomatous type case. In benign cases, excellent result was obtained but 2 cases which were combined myastenia gravis were relapsed the symptoms.
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