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Egyptian Journal of Neurosurgery

Table 1 Distribution of segments involved and pedicles used for fixation

From: Direct pedicle visualization and disc space orientation as the only guide for lumbar pedicular screw insertion

Segment involved

Alone

With upper level

With lower level

Screw/pedicle

L3-4

1

0

0

2/L3-2/L4

L4-5

11

0

7

36/L4-36/L5-14/S1

L5-S1

13

7

0

26/L5-26/S1

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