Vascular CT Appearances
Takayasu Arteritis (Aortitis) CT Findings
- Early (active) stage: concentric mural thickening of the involved arteries
- Late (occlusive) stage: can develop arterial stenosis, occlusion, or aneurysmal dilatation in association with the mural thickening
Other Information About Takayasu's Aortitis
Etiology:
- Unknown
Epidemiology:
- Strong majority are in females
- 2nd-6th decade of life
- More common in people of Asian and Mexican ancestry
Presentation:
- Diminished or absent pulse
- Fever
- Weight loss
- Muscle pain
- Fatigue
- May be asymptomatic
Prognosis:
- TA with complications has a poor prognosis
- TA without complications has a good prognosis
Related Lectures:
CT Evaluation of Vasculitis: Key Imaging Findings - Part 1