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https://www.readbyqxmd.com/read/29148922/feasibility-and-safety-of-using-thoracic-and-lumbar-cortical-bone-trajectory-pedicle-screws-in-spinal-constructs-in-children-technical-note
#1
Jonathan N Sellin, Jeffrey S Raskin, Kristen A Staggers, Alison Brayton, Valentina Briceño, Amee J Moreno, Andrew Jea
Thoracic and lumbar cortical bone trajectory pedicle screws have been described in adult spine surgery. They have likewise been described in pediatric CT-based morphometric studies; however, clinical experience in the pediatric age group is limited. The authors here describe the use of cortical bone trajectory pedicle screws in posterior instrumented spinal fusions from the upper thoracic to the lumbar spine in 12 children. This dedicated study represents the initial use of cortical screws in pediatric spine surgery...
November 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29145292/recurrent-spinal-primitive-neuroectodermal-tumor-with-brain-and-bone-metastases-a-case-report
#2
Frank Chen, Shyh-Shin Chiou, Sheng-Fung Lin, Ann-Shung Lieu, Yi-Ting Chen, Chih-Jen Huang
RATIONALE: Primary spinal primitive neuroectodermal tumor (PNET) is relatively rare in all age groups, and the prognosis in most cases of spinal PNETs appears to be poor, with a median patient survival of 1 to 2 years. We present a case with recurrent spinal PNET with brain and bone metastases that was successfully treated by multimodality treatment. PATIENT CONCERNS: A 14-year-old teenage girl had suffered from progressive left upper back pain with bilateral lower legs weakness and numbness for 1 year...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29142772/rare-case-of-an-extraosseous-cervical-chordoma-with-both-intradural-and-extensive-extraspinal-involvement
#3
Victor Awuor, Christopher E Stewart, Albert Camma, Julie Renner, J M Tongson
Background: Chordomas must be considered among the differential diagnoses for extradural spinal tumors, especially involving the clival or sacrococcygeal regions. They are often locally invasive and destructive to the osseous structures from which they arise, but rarely extend intradurally. Here, we report a unique chordoma that was intradural and spanned nearly four subaxial cervical vertebral levels. Case Description: We report the case of an atypical intradural chordoma that spanned four subaxial levels of the cervical spine in an 81-year-old female...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29138702/a-case-of-c5-vertebral-chordoma-in-a-73-year-old-patient-with-more-than-8-years-of-follow-up-after-total-piecemeal-spondylectomy
#4
Keigo Tanaka, Harutoshi Sakakima, Kazutoshi Hida, Kanako Hatanaka, Kosei Ijiri
Chordoma arising from the cervical spine is rare and the traditional long-term prognosis is typically poor. Total en bloc spondylectomy with a wide margin is generally accepted to be the most appropriate management for thoracic and lumbar malignant tumors. However, this method is still challenging for the cervical spine because of the proximity of the tumor to the vertebral arteries and neural elements. Here, we report a 73-year-old man with a C5 vertebral chordoma treated with total piecemeal spondylectomy...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29137271/environmental-conditions-differentially-affect-neurobehavioral-outcomes-in-a-mouse-model-of-sepsis-associated-encephalopathy
#5
Mu-Huo Ji, Hui Tang, Dan Luo, Li-Li Qiu, Min Jia, Hong-Mei Yuan, Shan-Wu Feng, Jian-Jun Yang
Brain dysfunction remains a common complication after sepsis development and is an independent risk factor for a poorer prognosis and an increased mortality. Here we tested the hypothesis that the behavioral outcomes after lipopolysaccharides (LPS) administration are exacerbated by an impoverished environment (IE) and alleviated by an enriched environment (EE), respectively. Mice were randomly allocated in a standard environment (SE), an EE, or an IE for 4 weeks after LPS or normal saline (NS) administration...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135471/first-patients-treated-with-a-1-5-t-mri-linac-clinical-proof-of-concept-of-a-high-precision-high-field-mri-guided-radiotherapy-treatment
#6
B W Raaymakers, I M Jürgenliemk-Schulz, G H Bol, M Glitzner, A N T J Kotte, B van Asselen, J C J de Boer, J J Bluemink, S L Hackett, M A Moerland, S J Woodings, J W H Wolthaus, H M van Zijp, M E P Philippens, R Tijssen, J G M Kok, E N de Groot-van Breugel, I Kiekebosch, L T C Meijers, C N Nomden, G G Sikkes, P A H Doornaert, W S C Eppinga, N Kasperts, L G W Kerkmeijer, J H A Tersteeg, K J Brown, B Pais, P Woodhead, J J W Lagendijk
The integration of 1.5 T MRI functionality with a radiotherapy linear accelerator (linac) has been pursued since 1999 by the UMC Utrecht in close collaboration with Elekta and Philips. The idea behind this integrated device is to offer unrivalled, online and real-time, soft-tissue visualization of the tumour and the surroundings for more precise radiation delivery. The proof of concept of this device was given in 2009 by demonstrating simultaneous irradiation and MR imaging on phantoms, since then the device has been further developed and commercialized by Elekta...
November 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29129354/surgical-management-and-outcomes-of-patients-with-bone-metastases-in-germ-cell-tumors-a-case-series
#7
Alessandro Nini, Marcus Konieczny, Christian Winter, Achim Lusch, Rüdiger Krauspe, Peter Albers
OBJECTIVE: To report perioperative and oncological outcomes of patients with nodal and bone involvement treated with postchemotherapy retroperitoneal lymph node dissection (PC-RPLND) and simultaneous bone resection (BR). PATIENTS AND METHODS: Between 2008 and 2016, 14 consecutive unselected TC patients with nodal and bone involvement underwent PC-RPLND and BR. Surgery was performed together with orthopedic surgeons. Standard PC-RPLNDs were performed in 4 patients...
November 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29127512/surgical-management-of-spinal-solitary-fibrous-tumor-hemangiopericytoma-a-case-series-of-20-patients
#8
Qi Jia, Zhenhua Zhou, Dan Zhang, Jian Yang, Chao Liu, Ting Wang, Zhipeng Wu, Cheng Yang, Haifeng Wei, Jian Zhao, Tielong Liu, Wang Zhou, Xinghai Yang, Jianru Xiao
PURPOSE: Spinal solitary fibrous tumor/hemangiopericytoma (SFT/HPC), a rare mesenchymal tumor that arises from pericytes of Zimmerman, comprises only 0.08% of all primary bone tumors and 0.1% of primary malignant bone tumor and rarely occurs in the spine. We attempt to correlate the clinical factors and different treatment options with the recurrence rate and overall survival of SFT/HPC over time. METHODS: A retrospective study of 20 patients with spinal osseous SFT/HPCs who were surgically treated in our center between 2003 and 2015 was performed...
November 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29125823/failure-of-an-expandable-cage-plate-cervical-vertebral-body-replacement-case-report-of-a-device-related-complication
#9
Klemens Trieb, Stephan Koch
Instabilities of the cervical spine after complete or incomplete corpectomy may be the result from resection due to stenosis induced myelopathy, tumors, infections or fractures. In this article, we report a 49-year-old female patient after surgical decompression and stabilization at C5/7 with permanent cervicobrachialgia due to cervical stenosis at C5/7. Corpectomy of C6 and stabilization of C5/7 were performed with a combination of cage and plate. At an outpatient control 16 months after reoperation, the patient complained of neck pain, while the control X-ray showed a fracture of the implant...
December 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/29125427/the-surgical-treatment-of-metastatic-spine-tumors-within-the-intramedullary-compartment
#10
Ben A Strickland, Ian E McCutcheon, Indro Chakrabarti, Laurence D Rhines, Jeffrey S Weinberg
OBJECTIVE Metastasis to the spinal cord is rare, and optimal management of this disease is unclear. The authors investigated this issue by analyzing the results of surgical treatment of spinal intramedullary metastasis (IM) at a major cancer center. METHODS The authors retrospectively reviewed the medical records of 13 patients who underwent surgery for IM. Patients had renal cell carcinoma (n = 4), breast carcinoma (n = 3), melanoma (n = 2), non-small cell lung cancer (n = 1), sarcoma (n = 1), adenoid cystic carcinoma (n = 1), and cervical cancer (n = 1)...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29125102/role-of-methylprednisolone-in-treatment-of-spinal-cord-injured-with-bone-marrow-mesenchymal-stem-cells-transplantation-in-rats-and-its-effect-on-the-expressions-of-tumor-necrosis-factor-%C3%AE-and-interleukin-1%C3%AE
#11
Xin-Ming Yang, Yao-Yu Cheng, Zhen-Liang Zhang, Cong Kang
Objective To investigate the role of methylprednisolone (MP) in treatment of spinal cord injured (SCI) with bone marrow mesenchymal stem cells (BMSCs) transplantation in rats and its effect on the expressions of tumor necrosis factor-α(TNF-α) and interleukin-1β(IL-1β) at the local tissues.Methods Forty male Sprague-Dawley(SD) rats were used to establish the models of SCI according to the modified Allen's contusion method and then divided into four groups (n=10 in each group) by using random numbers table:MP group,BMSCs group,BMSCs+MP group,and control group...
October 30, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29124954/practicality-of-using-the-figure-of-eight-bandage-to-prevent-fatal-wound-dehiscence-after-spinal-tumor-surgery-for-upper-thoracic-metastasis
#12
Dong Kwang Seo, Jin-Hoon Park, Sun Kyu Oh, Yongchel Ahn, Sang Ryong Jeon
OBJECT: Serious postoperative wound problems can frequently develop after surgery with perioperative RT for upper thoracic metastatic lesions. The figure-of-eight bandage can restrict excessive shoulder motion, which could prevent wound dehiscence. The purpose of this study was to describe the efficacy of using the figure-of-eight bandage to prevent postoperative wound dehiscence. METHODS: Between February 2005 and July 2015, we retrospectively evaluated the medical records of cancer patients who underwent surgery with or without RT for spinal metastasis involving the upper thoracic spine...
November 10, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29122701/predictors-of-quality-of-life-improvement-after-surgery-for-metastatic-tumors-of-the-spine-prospective-cohort-study
#13
Ori Barzilai, Lily McLaughlin, Mary-Kate Amato, Anne S Reiner, Shahiba Q Ogilvie, Eric Lis, Yoshiya Yamada, Mark H Bilsky, Ilya Laufer
BACKGROUND CONTEXT: Surgical decompression and stabilization followed by radiosurgery represents an effective method for local tumor control and neurologic preservation for patients with metastatic epidural spinal cord compression. We have previously demonstrated improvement in HrQOL after this combined modality treatment ("hybrid therapy"). PURPOSE: The current analysis focuses on delineation of patient-specific prognostic factors predictive of HrQOL change after combined surgery-SRS treatment of MESCC...
November 6, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29122304/-the-efficacy-of-multimodal-treatment-for-symptomatic-vertebral-hemangiomas-a-report-of-27%C3%A2-cases-and-a-review-of-the-literature
#14
V Delabar, M Bruneau, P A Beuriat, F Zairi, S Fuentes, R Riva, B Gori, C Barrey
INTRODUCTION: Vertebral hemangiomas (VH) represent the most common primary bone tumor of the spine and are rarely symptomatic. Currently, there is no consensus for treatment and many therapeutic options are available, alone or in combination including cementoplasty, sclerotherapy, surgery, embolization and/or radiotherapy. OBJECTIVE: To evaluate the clinical and radiological outcome of a multimodal management for symptomatic VH. METHODS: A consecutive prospective and retrospective multicenter study was conducted to review cases of symptomatic VHs between 2005 and 2015...
November 6, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29119042/extradural-hemangioma-mimicking-a-dumbbell-nerve-sheath-tumor-in-the-thoracolumbar-spine-case-report
#15
Sourabh Chachan, H R Bin Abd Razak, W Lim Loo, C Sheng Tan, S K Dinesh
Background: Extradural hemangiomas are rare, have varied and challenging clinical presentations, and require special considerations from the management point of view. Case Description: A 70-year-old female presented with back pain that was ultimately attributed to a thoracolumbar extra-dural "dumbbell" hemangioma. Following surgical resection, the patient did well. Conclusion: Extradural hemangiomas may present as spinal extradural soft tissue masses that must be differentiated from dumbbell neurofibroma...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29114282/multicompartmental-primary-spinal-extramedullary-tumors-value-of-an-interdisciplinary-approach
#16
Guruprasad Bettaswamy, Paurush Ambesh, Raj Kumar, Rabi Narayan Sahu, Kuntal Kanti Das, Awadhesh Kumar Jaiswal, Arun Kumar Srivastava, Sanjay Behari
Background: Primary extramedullary tumors involving multiple compartments around the spine are a technically demanding group of tumors whose extent traverses beyond the normal confines of those anatomical regions which fall in the common domain of neurosurgeons. In the following series, we present 12 patients who were diagnosed with primary spinal extramedullary tumors with multicompartmental extension, and whose surgical management was facilitated by a combined multidisciplinary approach involving surgeons of other superspecialties...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29113245/temporomandibular-dislocation-caused-by-pancreatic-cancer-metastasis-a-case-report
#17
Shinpei Matsuda, Hitoshi Yoshimura, Sadahiko Kondo, Kazuo Sano
Metastasis-induced dislocation of the temporomandibular joint (TMJ) is rare. The present study describes a case of TMJ dislocation caused by metastasis from pancreatic cancer, and discusses this in the context of literature on occlusal abnormality and/or dislocation due to metastasis. In the present case, unilateral TMJ dislocation was suspected when the patient first presented; destructive bone changes were not observed on conventional radiographs, and magnetic resonance imaging (MRI) revealed a tumorous lesion...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29113175/correlation-of-mmp-9-and-p53-protein-expression-with-prognosis-in-metastatic-spinal-tumor-of-lung-cancer
#18
Shuquan Zhang, Minfei Wu, Yi Zhao, Rui Gu, Chuangang Peng, Jiabei Liu, Qingsan Zhu, Ye Li
The aim of the study was to compare the protein expression of MMP-9 and p53 and examine their correlation with prognosis in lung cancer metastatic spinal tumor. Tissue samples were obtained from 30 cases of para-cancerous tissue (group I), 75 cases of non-metastatic lung cancer tissue (group II) and 100 cases of metastatic spinal tumor tissue of lung cancer (group III). The protein expression of MMP-9 and p53 was detected by immunohistochemistry and was present in all three groups. The positive rate for MMP-9 was 20, 67 and 83%, respectively...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108667/clinical-electrophysiological-genetic-and-imaging-features-of-six-chinese-han-patients-with-hereditary-neuropathy-with-liability-to-pressure-palsies-hnpp
#19
Bin Chen, Songtao Niu, Xingao Wang, Wei Li, Na Chen, Zaiqiang Zhang
Hereditary neuropathy with liability to pressure palsies (HNPP) is an autosomal dominant peripheral neuropathy caused by mutations in the peripheral myelin protein 22 (PMP22) gene. This study summarizes the clinical, electrophysiological, genetic, and imaging features of six unrelated Chinese Han patients with HNPP. Age of onset was within the second decade in five patients, and 46 years of age in one patient. Weakness or numbness in a unilateral lower extremity was the most common symptom in 5 patients, and bilateral sensorineural hearing loss was also detected in one patient...
November 3, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29107727/severe-spinal-cord-compression-by-a-pure-giant-intradural-schwannoma-of-the-cervical-spine
#20
Javier Quillo-Olvera, Guang-Xun Lin, Jin-Sung Kim
A 73-year-old man with progressive quadriparesis, six months of evolution. Physical examination showed decreased strength at upper and lower limbs together with an increase in osteotendinous reflexes with Babinski sign. Upon radiological investigation, MRI revealed a tumor at C3-T2 with a severe ventrolateral displacement of the spinal cord (Figure 1). The patient underwent surgery for gross total resection of the lesion. Histopathologic findings reported a schwannoma. (Figure 2). Muscular strength of the limbs improved three months after surgery, and the patient was able to walk without assistance...
October 28, 2017: World Neurosurgery
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