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造成X线胸片呈现弥漫性阴影的病因很多,常难以确诊。本文探讨支气管肺泡灌洗(BAL)在本类疾患诊断中的价值。观察组计79名患者(男52,女27),平均年龄49岁,均诉有呼吸系症状,胸片呈现弥漫性阴影。经临床检查、组织学和细菌学检查最后确诊为结节病者29例、隐原性纤维化性肺泡炎(CFA)者18例、尘肺5例、非结核性感染20例和肺结核7例。对照组计20例
Causes X-ray showed diffuse shadow of many causes, often difficult to diagnose. This article explores the value of bronchoalveolar lavage (BAL) in the diagnosis of this condition. 79 patients in the observation group (male 52, female 27), mean age 49 years old, all complained of respiratory symptoms, chest X-ray showed diffuse shadow. After clinical examination, histological and bacteriological examination were diagnosed as sarcoidosis in 29 cases, 18 cases of cryptogenic fibrosis alveolitis (CFA), 5 cases of pneumoconiosis, 20 cases of non-tuberculous infection and 7 cases of pulmonary tuberculosis. Control group, 20 cases