Fig. 2.
![T2 Weighted MRI shows multiple punctate high signal white matter lesions at different cranial (CRAN 39.1 and 47.9) image levels in the left corona radiata and right centrum semiovale. On PET, subtle decreased metabolism (FDG) and perfusion ([15O] H2O) is seen bilaterally in the frontal and occipital cortices. Hypoperfusion is more severe in the right occipital cortex (arrowhead). Visual evoked potentials (not shown) showed severe postchiasmal deficits of the right occipital area.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/93/1/10.1182_blood.v93.1.71/5/blod401pow02z.jpeg?Expires=1721558166&Signature=zefFpy~QbexvrFivSfYXkvHFA~I4zxK8UvvFhAf3CFUvbDNmtzwqt2pWNo6Eud4xB-vuCW54qeCXKFVXpVzmYpYE9B2sizG4mymW0NW2ajXuccDngXlWkR5vo0RN3hKLxxakTeW50EUirb5wEKrf5XWpcpvWRc0OUXEZ7b35M~ixRCJUryLMrWraoZH8D2zY9gsz4C6dlyfX18WZnHnV47LEmuKnEtTRMq6xAtDZXiZ5eMyX8CX2wNpt4A6bieIWCdYySDcA2823jiJPBo1KMGY16~XRe6T6ifXDYkwQYlDvrk6~SOuwD5O2kROzPj0AtX4haaNIjW-2LqDj6Cza2g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
T2 Weighted MRI shows multiple punctate high signal white matter lesions at different cranial (CRAN 39.1 and 47.9) image levels in the left corona radiata and right centrum semiovale. On PET, subtle decreased metabolism (FDG) and perfusion ([15O] H2O) is seen bilaterally in the frontal and occipital cortices. Hypoperfusion is more severe in the right occipital cortex (arrowhead). Visual evoked potentials (not shown) showed severe postchiasmal deficits of the right occipital area.
