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. 1995 Jul;196(1):89-93.
doi: 10.1148/radiology.196.1.7784596.

Takayasu arteritis: evaluation of mural changes in the aorta and pulmonary artery with CT angiography

J H Park  1 , J W Chung, J G Im, S K Kim, Y B Park, M C Han
Affiliations

Takayasu arteritis: evaluation of mural changes in the aorta and pulmonary artery with CT angiography

J H Park et al. Radiology. 1995 Jul.

Abstract

Purpose: To evaluate mural changes in the aorta and pulmonary artery in Takayasu arteritis by using computed tomographic (CT) angiography.

Materials and methods: CT angiography was prospectively performed in 12 women with Takayasu arteritis and in 10 healthy adults. Scanning included three distinct phases: precontrast (before administration of contrast material), arterial, and delayed.

Results: Precontrast transverse images revealed a high-attenuation aortic wall (10 patients) and mural calcifications in the aorta (nine patients). Arterial-phase images revealed circumferential wall thickening of 1-4 mm in all patients and enhancement in five patients with active disease. Delayed-phase CT revealed circumferential enhancement in eight patients. A concentric, low-attenuation ring was also identified inside the aorta on the arterial-phase (two patients) and delayed-phase (three patients) images. In the pulmonary artery, wall thickening was revealed with early and delayed enhancement in two patients.

Conclusion: CT angiography may demonstrate changes in the vascular wall in patients with Takayasu arteritis.

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