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1.
Article in Japanese | WPRIM | ID: wpr-367222

ABSTRACT

A 67-year-old man had been followed up in our cardiology clinic for ischemic foot, and routine echocardiography revealed an 8×9mm highly echogenic mass on the mitral posterior leaflet. Because of the high thromboembolic risk, open-heart surgery was scheduled for surgical treatment of the tumor. His preoperative coronary angiogram showed 3 vessel disease. Coronary artery bypass grafting and tumor removal were performed consequently. His postoperative course was uneventful and the lesion was pathologically diagnosed a papillary fibroelastoma. No recurrence has occurred one year after the operation. Surgical treatment of cardiac tumors is mandatory for preventing embolism regardless of the size and location. Most of the tumors on cardiac valves are papillary fibroelastomas and recurrence of this tumor has not been reported so far. When the tumor is attached to a mitral leafet, simple tumor resection, with or without mitral valve repair, is justified instead of performing mitral replacement with en bloc resection of tumors and the entire leaflets.

2.
Article in Japanese | WPRIM | ID: wpr-367146

ABSTRACT

A 46-year-old woman who originally presented acute abdomen was refferect to us. Her CT scan and echogram showed no abnormal findings in her abdomen. However, A 25-mm tumor-like mass was observed in her right atrium and right lower lobe. Based on the concern that the cardiac tumor might be a risk for embolic events, the tumor in her right atrium was resected under cardiopulmonary bypass in a semi-emergency manner. It was diagnosed as malignant lymphoma of B-cell type by histological examination. Two days after operation, she started to have abdominal pain and CT scan showed free air and a significant amount of effusion in her abdomen. Emergency laparotomy was performed and a single perforation with a tumor mass was observed in her small intestine. Segmentectomy was performed and her postoperative course since then was uneventful. Fifteen days after her initial operation, she was referred to the regional hematology center for chemotherapy. Primary cardiac lymphoma was classically defined as an extranodal lymphoma involving only the heart and/or pericardium; however the currently accepted definition is lymphoma with the vast bulk of the tumor intrapericardial even with small secondary lesions elsewhere. According to this recent definition, several cases with extensive extracardial involvements have been reported as primary cardiac lymphoma and our case marginally could be considered primary. Certain cutoffs must be proposed to quantify extracardiac disease in defining primary cardiac lymphoma.

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