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  • Title: Three-Level Lumbar En Bloc Spondylectomy with Three-Dimensional-Printed Vertebrae Reconstruction for Recurrent Giant Cell Tumor.
    Author: Chin BZ, Ji T, Tang X, Yang R, Guo W.
    Journal: World Neurosurg; 2019 Sep; 129():531-537.e1. PubMed ID: 31207371.
    Abstract:
    BACKGROUND: Primary malignancies involving the mobile spine often require total en bloc spondylectomy with complex mechanical reconstruction, which can be augmented with novel application of the 3-dimensional (3D)-printing technique. CASE DESCRIPTION: A 51-year-old man presented with a 12-month history of progressive thigh pain and lower limb motor function loss, 36 months after T12-L4 instrumentation and fusion for giant cell tumor (GCT) of the L2 vertebrae before referral. The patient subsequently underwent successful curative management of recurrent GCT through denosumab treatment, L1-L3 total en bloc spondylectomy (TES), and a novel lumbopelvic reconstruction method with a 3D-printed lumbar vertebrae and screw-rod system. CONCLUSIONS: To our knowledge, this is the first reported case of multilevel lumbar TES for GCT reconstructed using a 3D-printed vertebrae. Although TES-specifically in the lumbosacral spine-remains challenging due to its unique anatomy and increased risk of neurologic insult, it is an effective option for curative management of GCTs.
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