Presentation
Presented to the GP with chronic cough. Patient had an incidental eosinophilia a year ago.
Patient Data
Age: 40 years
Gender: Female
From the case:
Cryptogenic organizing pneumonia
Frontal
Patchy air space opacities in bilateral upper zones.
From the case:
Cryptogenic organizing pneumonia
Axial lung window
Reversed halo pattern (atoll sign): there are focal round areas of ground-glass attenuation with surrounding crescent or ring shaped consolidation.
Case Discussion
Patient with organizing pneumonia shows a reversed halo pattern (atoll sign) where there are focal round areas of ground-glass attenuation with surrounding crescent or ring shaped consolidation
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