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- Abstract 文献概要
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- 参考文献 Reference
はじめに 石灰化を伴う無形性腫瘍性病変(CAT)は,石灰化結節を伴う非腫瘍性心臓病変である.心腔内のいずれの部位にも生じうるが,好発部位は僧帽弁と報告されている1,2).われわれは,大動脈弁・僧帽弁位に同時に認めたCATに対し手術加療を行った1例を経験したため,文献的考察を加えて報告する.
Calcified amorphous tumor (CAT) is a nonneoplastic cardiac tumor that can be located in any of the four cardiac chambers, but is predominantly detected on the mitral valve. We report a rare case of CAT originating from the mitral and aortic valves. A 69-year-old woman with end-stage renal disease, hypertension, and diabetes mellitus was referred to our hospital for the evaluation of cardiac masses found incidentally on screening transthoracic echocardiography. She had no symptoms, including fever and neurological deficits, and her blood cultures were negative. Echocardiography revealed mobile masses arising from the mitral and aortic valves. We performed surgical excision and histopathologically diagnosed the masses with cardiac CATs. Mobile and pedunculated CAT frequently causes systemic embolization, and thus, complete surgical excision is recommended in such a case.

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