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Polyarteritis Nodosa (PAN)

Definition: necrotizing, small/medium-vessel vasculitis Symptoms: myalgias, arthralgias, subcutaneous nodules, neuropathy, hematuria Distribution of disease: Renal artery branches (85%) > hepatic artery branches (50%) = small mesenteric branches (50%) Imaging features: microaneurysms Treatment: mainstay is steroids.… Read More »Polyarteritis Nodosa (PAN)

Kawasaki Disease

Definition: Post-infectious vasculitis of medium arteries Findings: Coronary artery aneurysms (15%), conjunctivitis, rash, fever ALSO: great vessel aneurysms Kawasaki disease, also known as Kawasaki syndrome, is a rare autoimmune disorder that primarily affects children under… Read More »Kawasaki Disease