Air crescent sign


Patient with acute myeloid leukemia.

Patient Data

Age: 60 years
Gender: Female

CT Chest


CT scan shows an air crescent sign of recovering angioinvasive aspergillosis.

Case Discussion

An air crescent sign describes the crescent of air that can be seen in invasive aspergillosissemi-invasive aspergillosis or other processes that cause pulmonary necrosis.

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