Malposition of Cage in Minimally Invasive Oblique Lumbar Interbody Fusion

Figure 1

Preoperative MRI of lumbosacral spine T1W image showed prepsoas corridor at the level of intervertebral disc space L4-L5 (a and b) and at the level of upper vertebral body of L5 (c and d). Rising of psoas muscle was shown in (d). Left common iliac artery almost obliterates prepsoas space at level of upper vertebral body of L5 (black asterisk).

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