PMC8733943_01
The outcomes of lumbar spinal tumor patients with extensive retroperitoneal involvements. VAS, Visual Analogue scale; JOAS, Japanese Orthopaedic Association Score; LSF, lumbar spine function.
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As shown in the chart ( Figure 4 ), for the early-stage postoperative complications, one patient (#1, 11.1%) complained of moderate low back pain postoperatively, and the prompt X-ray indicated slight AVB migration.
General view of the resected tumor and postoperative examinations. (A) General view showing a representative resected tumor (18 x 9 cm) in an en bloc fashion. (B) The postoperative intravenous pyelography indicated a continuous urinary flow on both sides of the ureters. (C, D) The anteroposterior and lateral X-ray of two patients at 24 months post-operatively.
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A typical en bloc resection of tumor mass is shown in  Figure 5A , and the postoperative radiological examinations indicated good position of hardware and continuous urine flow ( Figures 5B-D ).