CTICasesMicroscopic Polyangiitis (MPA)
Imaging findings
Striking peribronchovascular ground-glass opacities that hug the peribronchovascular/perilymphatic interstitium. Over time, these areas may progress to bronchiectasis.
Key takeaways
This imaging appearance is often associated with MPO-positive microscopic polyangiitis. While bronchiectasis is a common long-term progression, it may not be present in early presentations.
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