Marchiori Edson, Zanetti Gláucia, Mano Claudia Mauro, Irion Klaus Loureiro, Daltro Pedro Augusto, Hochhegger Bruno
Fluminense Federal University, Rio de Janeiro, Brazil.
J Comput Assist Tomogr. 2010 Jan;34(1):9-12. doi: 10.1097/RCT.0b013e3181a9ec9f.
To evaluate the high-resolution computed tomography (HRCT) findings in 53 patients with exogenous lipoid pneumonia and to compare the imaging features of adults and children.
The study included 35 children and 18 adults. Statistical comparisons of findings in the 2 age groups were performed using either Pearson chi2 or Fisher exact test, as appropriate, at 5% significance level.
The main HRCT findings included air-space consolidation, ground glass attenuation, air-space nodules, and crazy-paving pattern. Abnormalities predominated in the posterior regions of the right lung. The right lower lobe was most likely to show severe involvement.
The presence of air-space consolidation, the involvement of upper right lobe, and the central and posterior distribution of the lesions were more common in children, whereas the crazy-paving pattern and random localization were significantly more frequent in adults. The other findings were not different between the 2 groups.
评估53例外源类脂性肺炎患者的高分辨率计算机断层扫描（HRCT）表现，并比较成人和儿童的影像学特征。
本研究纳入35例儿童和18例成人。根据情况，使用Pearson卡方检验或Fisher精确检验对两个年龄组的检查结果进行统计学比较，显著性水平为5%。
主要HRCT表现包括气腔实变、磨玻璃样衰减、气腔结节和铺路石样表现。异常主要出现在右肺后部区域。右下叶最易出现严重受累。
气腔实变、右上叶受累以及病变的中央和后部分布在儿童中更为常见，而铺路石样表现和随机分布在成人中明显更为频繁。两组的其他表现无差异。
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