mri of a 46 year old with iatrogenic cjd basal ganglia and thalamic hyperintensity is seen on t 2 - weighted images a, dwi at b = 1000 s / mm 2 b and c dwi at b = 3000 s / mm 2. cortical hyperintensity in the paracentral lobule bilaterally and right precentral gyrus is not visualized on t 2 - weighted images d but is seen on dwi b = 1000 s / mm 2 e and f is more conspicuous at dwi at b = 3000 s / mm 2