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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