Vascular CT Appearances

Polyarteritis Nodosa (PAN) CT Findings

• Aneurysm formation of small and medium size arteries (hallmark)
• Renal involvement is characteristic (infarcts, microaneurysms, indistinct corticomedullary differentiation)

Related Lectures:
CTA of the Renal Arteries: What You Need to Know - Part 2
CT of the Aorta & Its Branches: Acute Processes - Part 1
CT of the Aorta & Its Branches: Acute Processes - Part 3
CT Evaluation of Vasculitis: Key Imaging Findings - Part 2