【摘要】 目的探讨不典型下肺叶结核的临床表现、X线诊断及鉴别诊断。 方法回顾性分析58例下肺叶结核患者的临床及影像资料。男35例，女23例，好发于青壮年，18~35岁者占83%。 结果X线检查发现病灶位于下叶背段最多；病灶性质包括渗出性病灶(45%)、增殖病灶(18%)、混合性病灶(37%)；主要形态有小叶肺炎型、浸润型、团块型、肺脓肿型和支气管播散型。 结论X线正侧位胸片检查对下肺叶结核诊断有较高价值，但仍有部分病例须结合其它检查手段确诊。

    【关键词】结核；肺；放射摄影术；X线

    Retrospective analysis of 58 patients with atypical pulmonary tuberculosis in lower field

    NIE Gong-jun,Sun Yan-hua.Antituberculosis Institute of Fengman,Jilin 132013，China

    【Abstract】 ObjectiveTo explore the clinical and the chest X ray features in patients with atypical pulmonary tuberculosis in lower field. MethodsReview of clinical data and the chest X ray features in 58 patients with pulmonary tuberculosis in lower field.35 cases were male,23 cases were female,83%of patients were youth and middle age. ResultsAccording to the chest X ray film findings,atypical pulmonary tuberculosis was mostly locating in dorsal segment of lower lobe,its propertys included effusion lesion (45%),proliferation lesion (18%),mixing property lesion (37%); its patterns included lobular pneumonia type,infiltration type,noddle type,pulmonary abscess type and bronchial dissemination type. ConclusionThe chest X ray is a effective method in the diagnosis of atypical pulmonary tuberculosis in lower field,however other methods are still selected in some patients. ......