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病例1资料:患儿女,13d。咳嗽、吐沫4d,无发热。影像学表现:X线胸片显示两肺弥漫分布网织结节影,中内带较外带著明,两肺过度充气;上纵隔小儿胸腺不明显(图1a)。胸部CT显示两肺广泛分布小结节及网格影,背侧较前侧著明,胸膜下可见结节及融合斑片影,支气管血管束增粗(图1b、c)。红霉素治疗14d后X线胸片显示肺内病变明显吸收好转,两肺清晰,上纵隔小儿胸腺较前著明(图1d)。影像学诊断:两肺间质浸润伴少许实质改变,衣原体感染可能。临床诊断:肺炎衣原体感染。
Case 1 Information: Children, 13d. Cough, spit foam 4d, no fever. Radiographic manifestations: X-ray showed diffuse distribution of the two lung nodules in the film, with a more obvious in the inner band, both lungs over-inflated; supratentorial thymus in children is not obvious (Figure 1a). Chest CT showed extensive distribution of small nodules and meshes in both lungs. The dorsal side was clearly marked with anterior, nodular and fusion patches visible in the pleura, and the bronchovascular bundle was thickened (Fig. 1b, c). Erythromycin treatment of 14d after X-ray showed significant improvement of lung lesions, lungs clear, the mediastinal thymus in children than the previous Ming (Figure 1d). Imaging diagnosis: interstitial infiltration of both lungs with little real change, chlamydial infection may be. Clinical diagnosis: Chlamydia pneumoniae infection.