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=1721565559&Signature=eC85t9nYQaJuLk-E2XfYVG4RKZ8a2uNWA1-56oXSFrqkhyvNEosZDLu~YNZkqCkhzy8X-8KjFdr-NiBA7OX3LW52Nckf~S8t~eQ3mWWpSxThRmgAfe90~sGICLz4HcbXOCHNdBEu4TgGqwsivVRA6blvHkgpUuaklpNJwIuECJtb4ovj3KOxJ7J74RKrXwWR8C~~-DA5eCCPD4pwz3rqUvcRooXJOIEA28fkr9~~64R679wTnAzEPyOMeMteEpJOlxzoeK3z0Afcbost~P3~ySM~rHrSxU9ZyOy6RzoOWTTGdPQ60LitfTE74uwqgbqfDQeR0Hb6XP0vVlXgH6taSA__&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.
