恶性淋巴瘤是原发于淋巴结和淋巴组织的恶性肿瘤。由于疾病受累器官的差异,临床症状表现的多样化,早期诊断常是困难的。但早期诊断,尽早治疗对预后又有密切关系。本文介绍二例淋巴肉瘤合并大量胸腔积液,心包积液致心包填塞。由于在较短期确诊,及时化疗、放疗、以及对症处理,得以挽救生命,现报导如下: Malignant lymphomas are malignant tumors that originate in lymph nodes and lymphoid tissues. Due to the differences in organs involved in the disease and the diversification of clinical symptoms, early diagnosis is often difficult. However, early diagnosis and early treatment are closely related to prognosis. This article describes two cases of lymphosarcoma with a large number of pleural effusion, pericardial effusion caused by pericardial tamponade. Due to the fact that it was diagnosed in a relatively short period of time, timely chemotherapy, radiotherapy, and symptomatic treatment were able to save lives. It is reported as follows: