Fig. 1From: Comparison of CT and MR imaging in ischemic strokeAcute obliteration of the left MCA in an 82-year-old female. a Hyperdense artery sign suggesting an acute thrombus in the left MCA. b CT angiography shows obliteration of the left MCA. c VRT reconstruction. MCA, middle cerebral artery; VRT, volume-rendering techniqueBack to article page