上腔静脉综合征(简称SVCS)作为呼吸科急症,临床并不少见。现搜集我院1974～1986年的40例报告如下。一、一般资料:40例中男25例,女15例。男:女1.7:1。年龄20～68岁,平均44岁。35例经痰、胸水查瘤细胞或组织活检病理证实,5例具有恶性肿瘤的 Superior vena cava syndrome (referred to as SVCS) as a respiratory emergency, clinical is not uncommon. The 40 cases reported in our hospital from 1974 to 1986 are collected as follows. First, general information: 40 cases of 25 males and 15 females. Male: Female 1.7:1. Age 20 to 68 years old, an average of 44 years old. Thirty-five cases of sputum or pleural effusions were examined by pathological examination or biopsy. Five cases had malignant tumors.