Takayasu arteritis: diagnosis with MR imaging and MR angiography in acute and chronic active stages.
Early diagnosis and treatment of Takayasu arteritis is important in prevention of serious complications. Spin-echo magnetic resonance imaging (MRI) can depict early wall thickening of the aorta and cine MRI can evaluate aortic valve function. Significant enhancement in and around the aorta and carotid arteries is observed on postcontrast MR images in acute phase Takayasu arteritis. In the chronic phase, contrast enhancement in the aortic wall stronger than in the myocardium suggests activity of the disease. Breath-hold contrast-enhanced three-dimensional MR angiography is very effective in noninvasive evaluation of luminal change of aortitis. Contrast-enhanced MRI and MR angiography have an important role in early diagnosis, activity determination, and follow-up of Takayasu arteritis. MRI and MR angiography can be utilized for initial diagnosis of Takayasu arteritis and replace catheterization angiography. J. Magn. Reson. Imaging 1999;10:751-757.
Choe, YH; Kim, DK; Koh, EM; Do, YS; Lee, WR
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