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目的:探讨甲型H1N1肺炎CT表现,提高对该病的认识。材料与方法:回顾性分析25例经临床、实验室证实的甲型H1N1肺炎胸部CT表现。25例中男10例,女15例。年龄11～33岁,平均25.5岁。白血球计数2.1 x 10^9/L～11.9 x 10^9/L,中性粒细胞百分数27.1%～93.1%,淋巴细胞百分数3.6%～57.4%。结果:25例中累及5个肺叶11例(占44.0%),累及4个肺叶6例(占24.0%),累及3个肺叶5例(占20.0%),累及2个肺叶3例(占12.0%)。磨玻璃样影8例(占32.0%),表现为小片状及云雾样淡薄影,边缘模糊;实变影10例(占40.0%),表现为团片状、斑片状及棉球样影,密度较高;磨玻璃影合并实变影7例(占28.0%),表现为云雾样淡薄影与棉球样实变影同时存在。25例中实变影中可见支气管充气征8例(占32.0%);病灶内合并网格样改变7例(占28.0%);合并小结节影5例(占20.0%);合并两侧胸腔少量积液2例(占8.0%)。结论:甲H1N1肺炎病变以多发,分布范围广,病灶变化快,CT表现具有一定特征。
Objective: To investigate the CT manifestations of type A H1N1 pneumonia and improve the understanding of the disease. Materials and Methods: A retrospective analysis of 25 cases of clinical and laboratory confirmed type A H1N1 pneumonia chest CT findings. 25 cases of male 10 cases, 15 females. Aged 11 to 33 years old, average 25.5 years old. The white blood cell count was 2.1 × 10 ^ 9 / L ~ 11.9 × 10 ^ 9 / L, the percentage of neutrophils was 27.1% ~ 93.1% and the percentage of lymphocytes was 3.6% ~ 57.4%. Results: Of the 25 cases, 5 had lung lobes in 11 cases (44.0%), 4 lobes in 6 cases (24.0%), 3 lobes in 5 cases (20.0%), 2 lobes in 3 cases (12.0% %). There were 8 cases (32.0%) of ground glass-like images, showing patchy and cloud-like thin shadows with blurred edges; 10 cases of real shadows (40.0%) showed patchy, patchy, Shadow, high density; ground glass shadow consolidation real shadow in 7 cases (28.0%), the performance of cloud-like light shadow and cotton ball real shadow at the same time. Among the 25 cases, 8 cases (32.0%) had bronchial inflamation sign, 7 cases (28.0%) had merger grid pattern, 5 cases (20.0%) had small nodules, and both sides Small pleural effusion in 2 cases (8.0%). Conclusion: The pathological changes of A H1N1 pneumonia are multiple, with a wide range of distribution, rapid changes of lesions and certain features of CT manifestations.