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目的：探讨小儿肺炎支原体肺炎临床及Ｘ线特点。方法：采用日本富士明胶颗粒法测定小儿血清抗肺炎支原体抗体ＩｇＭ及胸部Ｘ线摄片。结果：确诊为支原体肺炎１２１例，临床表现主要有发热（４６．３％）、咳嗽（１００％），肺部体征少，胸片表现多种多样，包括：肺门阴影增大，间质浸润，支气管肺炎及叶／段实变。红霉素为治疗首选药物，有肺外合并症者加用糖皮质激素治疗有效。结论：小儿支原体肺炎咳嗽症状多，肺部体征少，胸片表现多种多样，认为肺炎支原体慢性感染及感染后免疫反应参与发病机理。
Objective: To investigate the clinical and X-ray features of children with Mycoplasma pneumoniae pneumonia. Methods: Serum anti-Mycoplasma pneumoniae antibody (IgM) and chest X-ray in children were measured by Fuji gelatin particle method. Results: 121 cases of mycoplasma pneumonia were diagnosed. The main clinical manifestations were fever (46.3%), cough (100%), less pulmonary signs and a variety of chest radiographs, including increased hilar shadow and interstitial infiltration , Bronchopneumonia and leaf / segment consolidation. Erythromycin is the drug of choice for treatment, with extrapulmonary complications plus glucocorticoid therapy. Conclusion: Mycoplasma pneumonia in children has many symptoms of cough, less lung signs and a variety of chest radiographs. It is considered that chronic infection of Mycoplasma pneumoniae and immune response after infection are involved in the pathogenesis.