恶性胸水在临床中并不少见,其中来自上皮组织的恶性肿瘤占胸水中恶性肿瘤的98%以上,其他来源非常少见,本文报告1例纵隔前体T淋巴母细胞性恶性淋巴瘤累犯胸腔的细胞学诊断。1病例介绍患者,男,31岁,“确诊恶性淋巴瘤7月余,再发胸闷、气促半月”入院。患者于2005年3月在浙江省肿瘤 Malignant pleural effusion is not uncommon in clinic. Malignant tumors from epithelial tissue account for more than 98% of malignant tumors in pleural effusions. Other sources are rare. This article reports one case of mediastinal precursor T lymphoblastic malignant lymphoma pleated cells in the chest cavity. Diagnosis. 1 Case presentation Patients, male, 31 years old, “Confirmed malignant lymphoma for more than 7 months, recurrence of chest tightness, shortness of breath, half a month” was admitted. The patient had a tumor in Zhejiang province in March 2005