Fig. 1.
![Fig. 1. Normal metabolic (FDG) and perfusion ([15O]H2O) PET scans in a neurologically normal SS child. The red areas on the PET represent regions with high activity of metabolism (FDG) and perfusion ([15O]H2O). Yellow represents less activity. Green and blue denote progressively lower activity levels. Black represents no measurable metabolic neuronal function.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/93/1/10.1182_blood.v93.1.71/5/blod401pow01z.jpeg?Expires=1735533409&Signature=yGGEJJbXoGOLwU6H8tCdCSJyeQ8mJhAIUh6UtOfuRzvlMUDic~vFIW9MLXUZziAeQhOSyBQhgpTyim~-a0FA8nTkX3nOaAFH8H2o6cKkyPujJPz~cCFHhXSRb4flL2fKfFo6Gy5I~~d63f2eXN0QVpBV9BYaCsZpvCChHLbgbQpOeJq0dA1uMsb0pq5SHgHT2UFMBhct-GRvs3bP8xvb3oN9DzX5Cs818aB7fP2yAMpJh7LHSrjqy2l0-0NVt71TkOjCSywl8mtIBFDe24Piem74-x4gz4y~zv89tUhRGtHZzDj5Dzyghu-ihJRhKoKdsR8v4-3KjaUZMKewmKJgZw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Normal metabolic (FDG) and perfusion ([15O]H2O) PET scans in a neurologically normal SS child. The red areas on the PET represent regions with high activity of metabolism (FDG) and perfusion ([15O]H2O). Yellow represents less activity. Green and blue denote progressively lower activity levels. Black represents no measurable metabolic neuronal function.
