TABLE 3

Time to Peak, Time to Initiate, and Ratio Peak Values of 13C-Lactate and 13C-Pyruvate for All Dogs

Dog13C-pyruvate time to peak (s)13C-lactate delay (s)13C-lactate time to peak (s)13C-lactate time to initiate (s)13C-lactate % of peak at 50 s
121295028100
22121421793
31334472192
42516412194
54220622873
730205028100
82416402794
92537623383
1021305122100
Mean (range)25 (13–42)25 (16–37)49 (40–62)25 (17–33)92 (73–100)
  • Values were generated from dynamic acquisition from axial slab including single lesion biopsy–verified tumor.