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目的探讨白血病肺部感染的HRCT的诊断价值。方法 2010年5月至2012年5月期间,我院诊治的48例白血病肺部感染患者,采用德国西门子公司生产的Balance 64层螺旋CT机,进行CT扫描检查,对其影像学资料进行回顾性分析。结果白血病肺感染病灶多分布于多个肺叶,或者多个肺段。48例白血病肺感染患者中,有44例的病灶位于多个肺叶、多个肺段,大约占91.67%。由于同一患者病变形态的多样性,其同次CT检查结果,也可能出现不同的影像学表现。白血病肺感染的影像学表现以磨玻璃密度影最为常见,或者合并实变影。48例白血病肺感染患者中,36例出现磨玻璃密度影,而其中24例合并实变影,多叶、多段的小空洞影较为常见,有12例,占25%。有9例胸腔积液,多为双侧胸腔积液。单纯实变影相对较为少见,仅有3例。结论对于白血病肺感染,需要根据患者的临床症状和体征,结合HRCT影像学结果,进行最终的临床诊断。
Objective To investigate the diagnostic value of HRCT for pulmonary infection of leukemia. Methods From May 2010 to May 2012, 48 patients with leukemia and lung infection diagnosed and treated in our hospital were examined with CT scan by Balance 64-slice spiral CT machine manufactured by Siemens AG of Germany. The imaging data were retrospectively analyzed analysis. Results of leukemia lung infection lesions are distributed in multiple lobes, or multiple lung segments. Forty-four cases of leukemia patients with lung infection were located in multiple lobes and multiple lung segments, accounting for 91.67%. Due to the diversity of lesion morphology in the same patient, the same CT findings may show different imaging findings. Imaging features of leukemia lung infection are most commonly seen with ground glass densitometry, or combined with real shadow changes. In 48 cases of leukemia patients, 36 cases showed the density of ground glass, and among them, 24 cases had consolidation shadow, more lobes and more segments of small cavity shadow were common, 12 cases accounted for 25%. There are 9 cases of pleural effusion, mostly pleural effusion. Pure solid shadow change is relatively rare, only 3 cases. Conclusions For leukemia patients with lung infection, the final clinical diagnosis needs to be based on the clinical symptoms and signs of the patients combined with the HRCT imaging results.