Malignant Thymoma with Brain Metastasis

—Case Report—

Abstract

Thymomas are rare in general. Extrathoracic metastasis from such tumors is also infrequent. Involvement of the central nervous system by the true thymic tumor has been reported in only seven cases. Since the CT scan was invented, such metastasis has been found more frequently. This paper describes a case of malignant thymoma with brain metastasis which was diagnosed by CT scan. Improvement of the symptoms was noted after removal and subsequent irradiation of the metastatic tumor.