众所周知晕征(Halo Sign)与新月征(Air-Crescent Sign)是肺曲霉的二大X线特征，前者多出现在早期，后者可能是慢性、局限性改变的临床表现之一。二者的病理基础及鉴别诊断可概括如下：
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air crescent sign 空气新月征
以上来源于: WordNet
Conclusion Halosign or air crescent sign, the specific manifestation on CT images, is of clinical significance in the early diagnosis of invasive pulmonary aspergillosis.
结论晕征、空气半月征是侵袭型肺曲霉菌病的CT特征性表现，结合原发病史，对侵袭型肺曲霉菌病诊断或早期提示性具有重要意义。
Nodules or consolidation with evidence of cavitary lesion had a higher sensitivity than the halo sign or air crescent sign in both groups.
结节或实变影内空洞形成较晕轮征、新月征更常见。
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