145 / 1456
SUV = Standard Uptake Value
•
a semiquantitative metric
tissue radioactivity concentration
•
SUV = ──────────────────────────────
injected activity / body weight
BUT...
•
SUV depends on tumour metabolism, time after injection,
plasma glucose, body composition…
•
in small tumours the true activity is underestimated
•
tumours are heterogeneous