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探讨微小型肺门淋巴结核X线征象。材料和方法：测量及观察50例正常与74例患儿正侧位胸片。结果：(1)正常组肺门角120±10°．患儿组154±12°．明显大于正常(P＜0.05),且边缘结构模糊；(2)肺门上、下部宽径分别为：正常6±2mm、10±3mm．患儿组10±3mm．12±4mm,P＜0．05)．边缘模糊或无法测量；(3)双下肺动脉分支紊乱．密度均匀性增高；(4)气管后带增厚＞4mm；(5)主动脉弓降部高密度影重叠；(6)心胸比率缩小、治疗后恢复到0．5。结论：肺门角增大．且上下部宽径增大、结构模糊、双下肺动脉及其分支紊乱、宽度不均．气管后带增厚等有助于早期诊断。
To explore the microscopic hilar lymph node X-ray signs. MATERIAL AND METHODS: Fifty cases of normal and 74 cases of children with lateral chest radiographs were measured and observed. Results: (1) Normal group Horn angle 120 ± 10 °. Children in the group 154 ± 12 °. (P <0.05), and the edge structure was vague; (2) The width of the upper and lower hilar were 6 ± 2mm and 10 ± 3mm respectively. Children group 10 ± 3mm. 12 ± 4 mm, P <0.05). Fuzzy edge or can not measure; (3) double the pulmonary artery branch disorder. (4) tracheal thickening> 4mm; (5) the aortic arch descending high density overlapping; (6) cardiothoracic ratio narrowed to 0.5 after treatment. Conclusions: Hilar angle increased. And the upper and lower width increases, fuzzy structure, double inferior pulmonary artery and its branches disorder, uneven width. Tracheal thickening with the help of early diagnosis.