【摘要】 目的胸片普查延迟诊断的周围型小肺癌早期X线表现及动态变化特点。方法回顾性分析15例胸部X线摄片延迟诊断的周围型小肺癌的影像学特征。将本组病例按检出前和检出时病灶形态、大小、密度和边缘进行了对比。结果回顾性分析延迟诊断的15例患者初次胸片均有异常改变,包括:1)微结节伴有纹理聚集3例。2)灶状浸润7例。3)不规则结节状5例。检出时全部病灶均发展成(20.7±9.1)mm结节。从初次显现至病灶检出相距时间为8~47个月,平均16.3个月,倍增时间为35~233 d。结论周围型小肺癌胸片较容易漏诊,认识其早期表现、动态比较观察以往胸片和及早行建议胸部CT扫描有助于降低小肺癌的延迟诊断率。更多还原

【Abstract】 【Objective】To investigate the dynamic X-ray features of small peripheral lung cancer delay-diagnosed in chest radiographic screening. 【Methods】A retrospective review of serial chest radiographs was performed in 15 patients who underwent chest radiographic examination yearly from Jun. 2003 to Sept. 2012 and in whom a small peripheral lung cancer had been delay- diagnosed. Fourteen patients with small lung cancers were proved by pathology,1 patient has typical imaging findings and clinical presences. 【Results】By retrospective review, abnormalities were detected in all the 15 patients, including: micronodule gathering lesions in 3 cases, focal infiltration in 7 cases, irregular nodule lesions in 5 case. All the lesions has grown to nodule lesions, average diameter of(20.7±9.1)mm at the time of radiographic detection. The interval from initial show to detection of small peripheral tumors ranged from 8 months to 47 months, average 16.3 month.The doubling time of these lesions ranged 35 days to 233 days. 【Conclusion】It is very easy to ignore small peripheral lung cancer at chest radiography. Recognition of the early X-ray appearances of small lung cancer, dynamic reviewing the past films and recommendation of chest CT scan in time will be helpful to decrease the delayed diagnostic rate.更多还原