A 50-year-old man presented with chest pain symptoms for 7 years. He did not report any other complaints. The diagnostic tests including physical examination, routine laboratory tests, chest x-ray, and electrocardiography were reported as normal. Cardiac MRI, however, revealed a 64 x 66 mm mass lesion in the left myocardium. He was referred to our unit for further tests. A PET/CT was carried out which demonstrated a minimally increased fluorodeoxyglucose uptake at the peripheral margins of the mass, which deemed to be suspicious for malignancy. The patient underwent a thoracotomy and the cardiac mass was excised. Histopathologic examination reported this lesion as a hydatid cyst.
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机译：一名50岁的男子出现了7年的胸痛症状。他没有报告任何其他投诉。包括体格检查，常规实验室检查，胸部X光检查和心电图检查在内的诊断检查均报告为正常。但是，心脏MRI显示左心肌有64 x 66 mm肿块。他被转介到我们部门接受进一步测试。进行的PET / CT显示，在肿块的周围边缘吸收的氟脱氧葡萄糖的增加最小，这被认为是恶性肿瘤。病人接受了开胸手术并切除了心脏。组织病理学检查报告该病变为包虫囊肿。
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