孤立性肺結(jié)節(jié)：良性與惡性對(duì)比(完整版)
【正文】 no necrosis, fat or calcification ? 均勻，無壞死、鈣化 ? No motion or beam hardening artifacts ? 沒有運(yùn)動(dòng)、硬射線偽影 第二十三頁，共三十頁。 ? On the left two solitary pulmonary nodules. Based upon the morphology, which lesion has the most malignant features? ? 以下兩個(gè)結(jié)節(jié)有哪些惡性特征呢 第十六頁，共三十頁。 Growth 生長速度 ? Comparison with prior imaging studies is often the most useful procedure to determine the importance of the finding of a SPN, since stability over 2 years is highly associated with benignity. ? 與前次影像結(jié)果相比是鑒別孤立性結(jié)節(jié)良惡性的一個(gè)非常有用的方法。 Calcification 鈣化 ? Diffuse, central, laminated or popcorn calcifications are benign patterns of calcification. ? 彌漫性，中心性，分層，爆米花鈣化是良性鈣化， 第四頁，共三十頁。 ? These types of calcification are seen in granulomatous disease and hamartomas ? 這些形式的鈣化最常見于錯(cuò)構(gòu)瘤、肉芽腫性病變 第五頁，共三十頁。如果超過 2年以上保持不變，這個(gè)結(jié)節(jié)就是良性結(jié)節(jié) 第九頁，共三十頁。 ? The lesion on the far left has a spicuated margin and has lucencies within it. The lesion next to it is lobulated in contour and has some spicules radiating to the pleura. It is however homogeneous in attenuation. Based on these findings we should be most concerned that the lesion on the far left is malignant. It proved to be an adenocarninoma, while the other one was a fungal infection. The lucencies and frank air bronchograms should not mislead you in thinking that it probably is infection. 第十七頁，共三十頁。 PETCT: benign versus malignant ? PETCT plays an increasingly important role in the evaluation of solitary nodules. ? PETCT在肺結(jié)節(jié)的評(píng)價(jià)中起著很重要作用 第二十四頁，共三十頁。 180:955964 ? CT Screening for Lung Cancer Frequency and Significance of PartSolid and Nonsolid
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