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我们回顾性细致分析49例确诊尘肺患者多层螺旋CT(MDCT)扫描图像,探讨其细微影像表现及解剖优势分布特征。本组尘肺MDCT表现以圆形小阴影p及不规则小阴影s为主,大阴影和进行性块状纤维化(PMF)病灶较少见。圆形小阴影及不规则小阴影在双肺的分布有明显差别(P<0.01),最常见的p影多分布于左肺上叶、下叶及右肺上叶;s影多分布于左肺上叶和双肺下叶。尘肺大阴影以两肺上叶分布为主,PMF则多表现为同时累及双肺的上、下叶。结果表明:MDCT能够反映尘肺的细微表现特征及其优势解剖分布,有利于疾病的早期诊断和准确分期。
We retrospectively and carefully analyzed 49 cases of pneumoconiosis patients diagnosed by multi-slice spiral CT (MDCT) scan images to explore the performance of its micro-imaging and anatomical advantages of distribution characteristics. The performance of this group of pneumoconiosis with circular small shadow p and small irregular s-based, large shadow and progressive massive fibrosis (PMF) lesions are rare. There was a significant difference in the distribution of small round and small irregular shadows in both lungs (P <0.01). The most common p-values were found in the left upper lobe, inferior lobe and right upper lobe. Upper lobe and lower lobe. Pneumoconiosis with two lungs on the distribution of the upper lobe, PMF is more than the performance of both lungs involving the upper and lower leaves. The results show that: MDCT can reflect the subtle characteristics of pneumoconiosis and its superior anatomical distribution, is conducive to the early diagnosis of disease and accurate staging.