نتایج جستجو برای: spinal tumors
تعداد نتایج: 290702 فیلتر نتایج به سال:
Total laminectomy for the removal of intradural-extramedullary spinal cord tumors has been used widely, but postoperative complications often develop, such as kyphosis, spinal instability, and persistent back pain. In this study, we evaluated seven patients with intradural-extramedullary spinal cord tumors with respect to the value of unilateral limited laminectomy. Our cases included six schwa...
Intramedullary schwannomas are a rare form of spinal tumors. Here, we present case 61-year-old woman who was admitted to our hospital with complaints weakness in both lower extremities, numbness, urinary and defecation disorders, radiculating back pain. Physical examination revealed sensory motoric deficits the as well autonomical dysfunctions. Radiological imaging mass at level thoracic segmen...
The medical records of 154 children with solid malignant primary tumors outside the central nervous system were retrospectively reviewed to achieve a better understanding of the incidence, presentation, outcome and treatment options for metastatic spinal cord disease. Of the 154 total, 12 children had symptomatic and 5 had asymptomatic spinal metastases (total 17 cases; 11%). In eight cases, th...
PURPOSE Laminectomy is generally the treatment of choice for removal of spinal tumors. However, it has been shown that laminectomy may cause instability due to damage of posterior elements of the spinal column, which may induce subsequent kyphosis in the future. Therefore, to reduce the risk of deformity and spinal instability after laminectomy, hemilaminectomy has been used. However, the mediu...
BACKGROUND Primary spinal osseous tumors are rare, yet they represent a difficult treatment paradigm because of the complexities of tumor resection and significant resistance to chemotherapy and radiation therapy. The geographic distribution of primary spinal osseous tumors throughout the world appears to be quite variable, with a very low incidence reported in Asian countries. METHODS Data o...
Intramedullary spinal cord (SC) tumors are relatively rare tumors, accounting for only 2% to 4% ofcentral nervous
IntroductIon Tanycytic ependymoma is a rare subtype of the World Health Organization Grade II ependymoma most commonly found in the cervical and thoracic segments of the spinal cord. Spinal tumors in neurofibromatosis type 2 (NF‐2) can be intramedullary, extramedullary, or associated with the nerve roots, and there may be multiple tumors at multiple locations in the spine. The histology of thes...
BACKGROUND Surgical treatment of spinal tumors, especially metastatic disease, is becoming increasingly popular, and its results are encouraging. However, good knowledge of clinical aspects of tumors and surgical techniques is essential. The aim of this paper was to analyze the problems of and differences in surgical strategies for spinal tumor surgery. MATERIAL AND METHODS The objectives of ...
Although significant advances have been made in treating malignant pediatric central nervous system tumors such as medulloblastoma, no effective therapy exists for diffuse pontine glioma or intramedullary spinal astrocytoma. Biology of these 2 tumors is poorly understood, in part because diffuse pontine gliomas are not treated surgically, and tumor specimens from intramedullary spinal astrocyto...
BACKGROUND AND PURPOSE The techniques of preoperative embolization of hypervascular spinal tumors, which has been known to be helpful for completing tumor resection, have not been described in detail. The purpose of this study was to analyze the technique and to evaluate the safety and value of preoperative transarterial embolization of hypervascular spinal tumors. METHODS Eighteen patients w...
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