🧬Monogenic vasculitis: DADA2, HA20, SAVI, COPA, LAVLI, VEXAS—rare but real
🧠DADA2: Livedo racemosa, strokes, skin necrosis
🧠 HA20: Behçet-like—ulcers, uveitis, venous thrombosis.
🧠SAVI: Skin ulcers, nasal perforation
🧠COPA: Skin/intestinal vasculitis, ILD
🧠VEXAS