癌性心包积液由原发肿瘤或继发肿瘤转移到心包所致。据文献报道原发性心包肿瘤主要是间皮瘤,转移至心包最常见的恶性肿瘤,男性是肺癌,女性为乳腺癌,其次是淋巴瘤和白血病。少部分来自腹腔脏器或其它部位肿瘤。心包填塞为临床突出表现,其诊断除临床症状和体征外多借助于实验 Cancerous pericardial effusion is caused by primary or secondary tumor metastases to the pericardium. According to reports in the literature, primary pericardial tumors are mainly mesothelioma and metastasize to the most common malignancy of the pericardium. Men are lung cancers, women are breast cancers, followed by lymphomas and leukemias. A small part comes from abdominal organs or other parts of the tumor. The pericardial tamponade is a prominent clinical manifestation. The diagnosis of pericardial effusions is based on experiments with the exception of clinical symptoms and signs.