Abstract 8
Lumbar level
Increased scintigraphic activity on SPECT
Spondylolysis identified on CT (complete)
Spondylolysis identified on CT (incomplete)
L1
12
0
1
L2
32
5
1
L3
71
13
3
L4
57
10
12
L5
126
77
21
Total
145
105
38