目的：评价多层螺旋CT（MSCT）在隐匿性肺挫伤（OPC）患者随访复查中的临床价值。方法对35例首诊确定为OPC患者的CT随访资料及临床转归进行回顾性分析，观察CT图像上肺挫伤病变的范围、密度演变情况，患者合并感染及临床转归情况，判断CT复查在OPC患者中的应用价值。结果所有35例OPC患者均在伤后1~90 d内进行1~4次CT复查，其中13例患者出现挫伤范围的扩大，主要出现在伤后1~2 d；7例继发肺炎，主要出现在伤后7~14 d，1例发展为急性呼吸窘迫综合征（ARDS），1例患者继发脓胸。结论首诊为OPC的患者病情可能继续发展，MSCT能较全面地判断评价OPC患者肺部病变的演变情况，应当作为OPC患者重要的随访复查手段。%Objective To evaluate the clinical application value of multi-slice spiral CT (MSCT) reexamination in the patients with occult pulmonary contusion (OPC). Methods The CT and clinical data of 35 patients with OPC was retrospectively analyzed. Analyze the scopes and densities of contusions, contusions′ variation with time and pa-tients clinical prognosis in order to evaluate the clinical application value of MSCT reexamination in the patients with OPC. Results CT reexamination was performed in 1-90 days after injury. The scope of pulmonary in 13 patients contusion enlarged,which appeared mainly in 1-2 days after injury. Pneumonia was found in 7 patients, which mainly appeared in 7-14 days after injury. One case developed to acute respiratory distress syndrome (ARDS), and one pa-tients developed to empyema. Conclusion The condition of OPC may aggravate. MSCT could comprehensively evalu-ate the changes of OPC, which should be a good choice for follow-up examination of patients with OPC.
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