Large vessel vasculitis - occlusion (CT angiography)


Vasculitis represents an inflammatory process of the blood vessels. The most common types of vasculitis which affect the upper extremity include Takayasu arteritis, giant cell arteritis, and thromboangiitis obliterans. CTA can non-invasively diagnose vasculitis of large and medium arteries.

Vasculitis usually shows a long segment of stenosis with gentle tapering, in contrast to atherosclerosis in which there are focal stenosis and abrupt occlusion. Vessel wall thickening and enhancement are also characteristic signs of vasculitis and indicates an active phase of the disease.

Special thanks to Dr. Mohamed Ibrahim, Consultant of general radiology, Kasr Al Ainy Hospital

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