reverse halo sign has core ground glass and surrounding consolidation
- related:
- tags: #permanent
- source: An Algorithmic Approach to Lung Disease
- common ddx includes organizing pneumonia, lymphoma, hemorrhagic necrosis, hemorrhagic infarction from fungal pneumonia or PE (center of infarct begins to heal)
- organizing pneumonia from chemotherapy for breast cancer patients
- reverse halo sign from PE. Wedge shaped, peripheral