Reconstruction with a 3D-printed Prosthesis and Internal Fixation with Novel Four-Rod Technique After En Bloc Resection of Meningiomas in the Lumbosacral Region (L5-S3) without Rectum/Bladder Function Sacrifice: Technical Case Report

Turkish Neurosurgery
Liwei PengWeixin Li

Abstract

Spinal meningiomas are rare in the lumbosacral region. The best solution is complete tumor resection. However, how to preserve the patient?s rectum/bladder function after en bloc resection is still a considerable challenge, even without spinopelvic reconstruction. The use of the three-dimensional (3D) printing technique may simplify it. The final step after restoration is the establishment of rigid fixation. The purpose of this article was to present a case of lumbosacral meningiomas treated by en bloc resection, 3D-printed prosthesis reconstruction, and fixation with pedicle screws and cortical bone trajectory screws. A 35-year-old woman has suffered from lumbosacral and two legs pain for two months. During the previous month, she limped, and her strength was 4/5 in both legs. Magnetic resonance imaging (MRI) revealed space-occupying lesions from the lumbar 5 (L5) to sacral 3 (S3) vertebral bodies. The previous biopsy confirmed the lesions were spinal meningiomas. The patient underwent an en bloc resection followed by 3D-printed prosthesis reconstruction and internal fixation with a novel technique. The surgery was successful, and the patient recovered well postoperatively according to follow-up examination. En bloc resection ...Continue Reading

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