Page 76 - ARNM-3-2

Advances in Radiotherapy
& Nuclear Medicine Modeling renal TAC in dynamic scintigraphy

Table 1. Comparison between the main kinetic parameters obtained automatically (clinical) and those manually extracted
through mathematical modeling of the 12 time-activity curves
Kinetic parameters Right kidney Left kidney
Automatic data Manual data Automatic data Manual data
Case 1
T (min) 4.05 4.26 2.71 2.88
max
T (min) 5.67 6.18 7.00 6.70
1/2
30-min min/max ratio 0.26 0.28 0.31 0.32
Case 2
T (min) 1.01 1.43 3.34 3.35
max
T (min) 10.67 12.79 15.00 15.65
1/2
30-min min/max ratio 0.47 0.39 0.42 0.37
Case 3
T (min) 4.00 4.20 4.10 4.18
max
T (min) 9.50 8.70 9.20 8.60
1/2
30-min min/max ratio 0.30 0.28 0.29 0.30
Case 4
T (min) 3.50 3.76 3.60 3.88
max
T (min) 10.00 10.18 10.20 9.80
1/2
30-min min/max ratio 0.28 0.30 0.30 0.31
Case 5
T (min) 4.50 4.66 4.40 4.32
max
T (min) 8.50 8.25 7.50 7.70
1/2
30-min min/max ratio 0.25 0.26 0.26 0.28
Case 6
T (min) 3.50 3.83 1.75 1.85
max
T (min) 11.00 10.54 12.00 12.78
1/2
30-min min/max ratio 0.32 0.31 0.34 0.33
Case 7
T (min) 4.20 4.28 4.10 4.07
max
T (min) 9.00 8.95 8.80 8.70
1/2
30-min min/max ratio 0.27 0.28 0.28 0.27
Case 8
T (min) 7.50 7.76 6.75 6.90
max
T (min) 25.05 26.30 24.30 26.65
1/2
30-min min/max ratio 0.70 0.78 0.65 0.68
Case 9
T (min) 4.70 4.90 8.05 8.26
max
T (min) 8.25 9.70 30.00 29.12
1/2
30-min min/max ratio 0.35 0.37 0.75 0.78
Case 10
T (min) 4.50 4.25 4.71 4.08
max
T (min) 8.00 7.81 7.50 7.70
1/2
30-min min/max ratio 0.25 0.26 0.26 0.27
(Cont’d...)

Volume 3 Issue 2 (2025) 68 doi: 10.36922/ARNM025070008