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Histopathologic findings in LVV-associated vasculitis
| Intima | Media | Adventitia |
|---|---|---|
| Duplication and fragmentation of the internal elastic lamina | Fragmentation of the elastic tissue | Marked leukocytoclastic vasculitis of the vasa vasorum and periadventitial vessels |
| Medial necrosis | Proliferation of slit-like vascular channels | |
| Plasmolymphocitary and giant cell infiltrate | Chronic inflammation | |
| Fibrosis | Fibrosis |
