Radiation Oncology/Primary Cardiac Tumor

• First described case of a primary cardiac tumor was by Albers in 1835
• Approximately 75% of primary tumors of the heart are benign
  • Atrial myxoma (about 50%)
  • Lipoma (about 10%)
  • Papillary fibroelastoma (about 10%)
  • Rhabdomyoma (about 10%)
  • Fibroma (about 10%)
  • Hemangioma
  • Teratoma
  • Cystic atrioventricular node tumor
• Malignant primary tumors constitute the remaining 25% of cardiac neoplasms
  • Primary malignancies of the myocardium: sarcoma, malignant fibrous histiocytoma, angiosarcoma, fibrosarcoma, rhabdomyosarcoma, lymphoma, melanoma, and carcinoma
  • Primary malignant tumors of the pericardium: mesothelioma, fibrosarcoma, angiosarcoma, synovial sarcoma, and teratoma