Varicella-Zoster Virus Pneumonia

Diffuse GGO with ill-defined nodules

Brief Discussion

Prevalence: 5-50% of all varicella infections in adults

CXR

Multiple 5-10 mm ill-defined nodules

Hilar lymphadenopathy, pleural effusion are unusual

Resolve within a week after the disappearance of the skin lesions

Persist for several weeks: numerous, well-defined, randomly scattered, 2-3-mm dense calcifcations
 
HRCT

1-10 mm well-defined and ill-defined nodules diffusely throughout both lungs

Nodules with a ground-glass halo, pathcy GGO, coalescence of nodules


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