The Utility of MRI in the Diagnosis of Takayasu Arteritis

Figure 1

Noncontrast CT of the chest demonstrated (a) ectasia of the ascending aorta, measuring 3.4 cm, and (b) focal narrowing of the descending aorta, measuring 1.7 cm, raising concern for an aortitis in the setting of glomerulonephritis. The white arrow in (a) represents the ascending thoracic aorta and in (b) the descending thoracic aorta.

(a)

(b)