Table 1. Number of Vertebrae Affected and Number of Levels Fixed.

No. of patients	Vertebrae affected	Levels fixed
5	L3 and L4 with L4 pedicle involved	L2, L3, and L5
5	L3 and L4 with both pedicles involved	L2, L3, L5, and S1
1	L4 and L5 with all pedicles intact	L3, L4, and L5
2	L5 and S1 with S1 pedicle involved	L4, L5, S2, and ilium