Background: Liposarcoma is a malignant tumor of soft tissue. Myxoid/round cell liposarcoma has a tendency to spread to extrapulmonary sites but the spine is an unusual location even for metastasis. Metastatic bone tumors in the spine are painful. The vertebral body augmentation procedures for treating painful metastatic spinal lesions are minimally invasive and are good alternatives to open surgery.
Case Presentation: A 41-year-old Turkish man was treated with radiofrequency tumor ablation and percutaneous vertebral augmentation for spinal metastasis. Asymptomatic perivertebral and segmental veins' cement leakage was detected on perioperative X-ray radiograms; at the follow-up computed tomography scan, no further migration of any cement material was seen, and his postoperative course was uneventful.
Conclusions: The risk of cement leakage and embolism is increased with the treatment of some malignant lesions. The frequency of local leakage of bone cement is relatively high. Patients undergoing percutaneous vertebral augmentation of malignant spinal metastases need close monitoring. There is no agreement on the treatment strategy.
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http://dx.doi.org/10.1186/s13256-016-0828-4 | DOI Listing |
J Bone Joint Surg Am
January 2025
Department of Orthopaedics, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China.
Background: No studies have evaluated the impact of the cement distribution as classified on the basis of the fracture bone marrow edema area (FBMEA) in magnetic resonance imaging (MRI) on the efficacy of percutaneous vertebral augmentation (PVA) for acute osteoporotic vertebral fractures.
Methods: The clinical data of patients with acute, painful, single-level thoracolumbar osteoporotic fractures were retrospectively analyzed. The bone cement distribution on the postoperative radiograph was divided into 4 types according to the distribution of the FBMEA on the preoperative MRI.
J Mater Sci Mater Med
January 2025
Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
Bone cement is commonly utilized to secure prosthetic joints in the body because of its robust fixation, stability, biocompatibility, and immediate load-bearing capability. However, issues such as loosening, leakage, and insufficient bioactivity can lead to its failure. Therefore, improving its mechanical, physical, and biological properties is crucial for enhancing its efficiency.
View Article and Find Full Text PDFJ Clin Med
December 2024
Department of Orthopedics, School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan.
To review the outcomes of patients who underwent repeated vertebroplasty (VP) surgery for adjacent segment fractures (ASF), defined as new osteoporotic vertebral fractures occurring at levels immediately above or below a previously treated vertebra. From 1 January 2018, to 31 December 2020, forty-one patients who developed ASF following initial VP and underwent repeated VP were enrolled in our study. Radiographic measurements included single and two-segment kyphotic angles (SKA and TKA), and anterior and mid-vertebral body height (AVH and MVH).
View Article and Find Full Text PDFJ Contemp Dent Pract
September 2024
Department of Academic, Faculty of Dentistry, Universidad Nacional Federico Villarreal, Lima, Peru, ORCID: https://orcid.org/0000-0002-0594-5834.
Objective: To evaluate the shear strength of adhesives based on the type of solvent (ethanol and acetone), aged and light-cured using light-emitting diode (LED) units with different wavelengths. Polywave and monowave LED units were employed for this study.
Materials And Methods: Ninety bovine tooth samples were analyzed using OptiBond Universal adhesive (acetone) and single bond universal adhesive (ethanol).
Clin Spine Surg
December 2024
Department of Orthopaedic Surgery, Keio University School of Medicine, Shinjyuku, Tokyo.
Study Design: Multicenter retrospective cohort study.
Objective: To evaluate the efficacy and safety of using cement-augmented pedicle screw (CAPS) fixation only for the cephalad and caudal vertebral bodies.
Summary Of Background Data: Pedicle screw fixation is less effective in patients with low-quality bone.
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