Cryptogenic organising pneumonia
Case contributed by:
Dr Mark Holland
Presentation:
Presented to the GP with chronic cough and had an incidental eosinophilia a year ago
Patient Data:
Age: 40
Gender: Female
Race: Caucasian
From the case:
Cryptogenic organising pneumonia
Modality:
X-ray
From the case:
Cryptogenic organising pneumonia
Modality:
CT
From the case:
Cryptogenic organising pneumonia
Modality:
Photo
Reversed halo shape of a daisy
Case Discussion:
Patient with organising 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
References:
- Kim SJ, Lee KS, Ryu YH, et al. Reversed halo sign on high-resolution CT of cryptogenic organizing pneumonia: diagnostic implications. Am J Roentgenol AJR 2003; 180:1251–1254.
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