One-Step Posterior and Anterior Combined Approach for L5 Retroperitoneal Schwannoma Eroding a Lumbar Vertebra

Figure 2

Preoperative spinal MRI. The lesion showed heterogeneous signal in T2WI (a, d), homogeneous low signal in T1WI (b, e, and f), and strong enhancement in postgadolinium examination (c, f). Displacement of the right psoas muscle can be noted (d, e, and f).

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