“肺部感染”是临床常见病,尤以下肺多见,工作中常遇一些初诊“下肺感染”者疗效较差,如:①发热半月至数月不退;②治疗一月以上肺部病灶未完全吸收;③症状,体征与病灶大小有反复性等。结合本院近年来收治的多例复杂初诊“下部感染”患者诊疗情况,与各位同志商榷,分析相关疾病鉴别及难治原因。 “Pulmonary infection” is a common clinical disease, especially in the lower lung more common, often encountered in the work of some newly diagnosed “lower lung infection” were less effective, such as: ① fever half months to no refund; ② treatment of more than one month lung lesions Not fully absorbed; ③ symptoms, signs and lesions have repetitive and so on. Combined with our hospital in recent years, many cases of complicated initial diagnosis of “lower infection” diagnosis and treatment of patients, to discuss with you, analysis of the related disease identification and refractory causes.