从近 1a放射诊断质量控制反馈对照统计 2 0 0 0余例胸腔积液中 ,发现有最后定性诊断一侧性大量胸腔积液 82例。回顾读片分析 82例在 X线正位胸片上除直接征象相同外 ,均有不同的纵隔位置变化的间接 X线征象 ,而这些间接征象对判断良恶性较具特征性。本文就其 X线正位胸片上的间 In the past 1 year, more than 200 cases of pleural effusions have been diagnosed by radiological diagnosis and quality control feedback. There are 82 cases of qualitative diagnosis of lateral massive pleural effusion. Retrospective reading analysis of 82 cases on the X-ray chest radiograph in addition to the same direct signs, there are different mediastinal location changes in the indirect X-ray signs, and these indirect signs of benign and malignant judgments more characteristic. This article on the chest X-ray film