放射性肺改变相关因素高分辨CT表现与预后的关系

The relationship between relative factors,HRCT findings and prognosis of lung radiation injury

目的 分析引起放射性肺损伤的相关因素 ,高分辨CT(HRCT)表现与预后的关系。方法 对 5 80例胸部肿瘤中放射性肺损伤的 86例行HRCT检查 ,观察其征象与预后的关系。结果总结 7种引起放射性肺损伤的相关因素。将HRCT表现分为 4种类型 :片状渗出型 (8例 ) ,补丁实变型 (18例 ) ,含气不全型 (2 7例 )和浓密纤维化型 (33例 ) ,其HRCT表现不可逆 ,治疗只能缓解症状。结论 阐述引起放射性肺损伤的相关因素及HRCT表现与各型放射性肺炎预后的关系。正确使用肺组织的放射剂量 ,定期HRCT检查对早期诊断和治疗有指导意义。

Objective To analyze relative factors of lung radiation injury. Methods Analysis of HRCT manifestations was performed in order to relate them to prognosis of lung radiation injury.Altogether 86 cases suffered from lung radiation injury out of 580 patients who had received radiation therapy for chest tumors were included in the analysis. Results According to appearance of HRCT,the following results were achieved in patients with radiation pneumonities:(1) Eight patients having patchy and exudation lesions achieved complete remission.(2)Eighteen patients with consolidation lesions achieved remission.(3)The other sixty patients with atelectasis and fibrosis were unreversible but symptoms were alleviated. Conclusion These results indicate that relative factors of lung injury and HRCT are very helpful to prognosis,diagnosis and treatment of radiation pneumonitis. ;