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https://www.readbyqxmd.com/read/29627630/awake-intradural-spinal-tumour-resection
#1
Anan Shtaya, Chan Bao Luong, Erlick Pereira
BACKGROUND: Meningioma is a common slow growing spinal tumour with a predilection for intradural occurrence. Patients usually present with pain followed by ataxia and sensory and sphincter problems. The gold standard treatment in these cases is gross total microsurgical resection under general anaesthesia. However, there exist high anaesthetic risk patients unsuitable for general anaesthesia. Performing spinal surgeries under local anaesthesia and sedation has been reported albeit rarely for mostly minimally invasive procedures but not for open intradural pathologies...
April 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29581892/primary-intramedullary-spinal-cord-tumour-in-pregnancy-a-case-report
#2
Kyoko Fujii, Makoto Orisaka, Makoto Yamamoto, Koji Nishijima, Yoshio Yoshida
Introduction: Primary spinal cord tumours can lead to severe neurological complications and even death. Pregnant women often complain of discomfort of the lower limbs, which is usually caused by sciatica. Here we present the case of a pregnant woman, who was initially considered to have sciatica, but was finally diagnosed with a primary intramedullary spinal cord tumour. Case presentation: A 28-year-old pregnant woman presented to our hospital with inexplicable numbness in her lower limbs...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29559217/solitary-fibrous-tumour-haemangiopericytoma-of-the-spinal-cord
#3
Ana Flores-Justa, Elena López-García, Alfredo García-Allut, Rosa María Reyes-Santías
Solitary fibrous tumours/haemangiopericytomas (SFT/HPC) are fibroblastic mesenchymal neoplasms that harbour a genetic fusion of NAB2/STAT6. There are few reported cases in the central nervous system (CNS), of which spinal tumours are minority. We present a case of a 63-year-old woman with progressive paraparesis and a sensory level of T6. On the MRI we detected an intradural extramedullary lesion on T9-T10. We performed a laminectomy with an intraoperative ultrasound study in which we observed a heterogeneous lesion with an infiltrating pattern affecting the medulla at several points, and resection of the lesion...
March 17, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29530807/withdrawn-minocycline-an-antimicrobial-agent-attenuates-the-mitochondrial-dependent-cell-death-and-stabilizes-the-expression-of-hif-1%C3%AE-in-spinal-cord-injury
#4
Guolei Zhang, Junpu Zha, Junchuan Liu, Jun Di
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
March 9, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29497125/critical-role-of-sigma-1-receptors-in-central-neuropathic-pain-related-behaviours-after-mild-spinal-cord-injury-in-mice
#5
Sílvia Castany, Georgia Gris, José Miguel Vela, Enrique Verdú, Pere Boadas-Vaello
Sigma-1 receptor (σ1 R) knockout (KO) CD1 mice, generated by homologous recombination, and separate pharmacological studies in wild type (WT) mice were done to investigate the role of this receptor in the development of pain-related behaviours (thermal hyperalgesia and mechanical allodynia) in mice after spinal cord contusion injury (SCI) - a model of central neuropathic pain. The modulatory effect of σ1 R KO on extracellular mediators and signalling pathways in the spinal cord was also investigated. In particular, changes in the expression of inflammatory cytokines (tumour necrosis factor TNF-α, interleukin IL-1β) and both the expression and activation (phosphorylation) of the N-methyl-D-aspartate receptor subunit 2B (NR2B-NMDA) and extracellular signal-regulated kinases (ERK1/2) were analysed...
March 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29472020/sudden-paraplegia-due-to-spontaneous-bleeding-in-a-thoracic-epidural-angiolipoma-and-literature-review
#6
M Lacour, V Gilard, F Marguet, S Curey, A Perez, S Derrey
BACKGROUND: Spinal angiolipomas are rare epidural tumours that are usually revealed by chronic symptoms of medullar irritation. We report a case of acute paraplegia caused by spontaneous bleeding revealing a thoracic angiolipoma. CASE DESCRIPTION: A 17-year-old male patient with no previous medical history was admitted for acute onset of paraplegia with bladder retention and loss of sensation in the lower limbs, preceded by dorsal pain during the three previous days...
March 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29454959/exophytic-cerebral-hemispheric-low-grade-glioma-unusual-growth-pattern-of-common-central-nervous-system-tumor
#7
Suyash Singh, Kuntal Kanti Das, Sushila Jaiswal, Raj Kumar
BACKGROUND: Exophytic growth (EG), wherein the tumor mass grows beyond the neuraxial boundary formed by pia mater, remains a rare pattern of glioma growth. It has been described in gliomas at several locations like the brainstem, cerebellum, suprasellar area, spinal cord, and insula. However, EG in hemispheric grade 2 astrocytomas, particularly affecting the convexity subarachnoid space, as against the more spacious basal subarachnoid space, is exceedingly rare. To the best of our knowledge, there is only 1 such case reported in the English literature...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29436487/intraoperative-identification-of-the-corticospinal-tract-and-dorsal-column-of-the-spinal-cord-by-electrical-stimulation
#8
Vedran Deletis, Kathleen Seidel, Francesco Sala, Andreas Raabe, Darko Chudy, Juergen Beck, Karl F Kothbauer
OBJECTIVES: Anatomical identification of the corticospinal tract (CT) and the dorsal column (DC) of the exposed spinal cord is difficult when anatomical landmarks are distorted by tumour growth. Neurophysiological identification is complicated by the fact that direct stimulation of the DC may result in muscle motor responses due to the centrally activated H-reflex. This study aims to provide a technique for intraoperative neurophysiological differentiation between CT and DC in the exposed spinal cord...
February 7, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29429912/denosumab-versus-zoledronic-acid-in-bone-disease-treatment-of-newly-diagnosed-multiple-myeloma-an-international-double-blind-double-dummy-randomised-controlled-phase-3-study
#9
Noopur Raje, Evangelos Terpos, Wolfgang Willenbacher, Kazuyuki Shimizu, Ramón García-Sanz, Brian Durie, Wojciech Legieć, Marta Krejčí, Kamel Laribi, Li Zhu, Paul Cheng, Douglas Warner, G David Roodman
BACKGROUND: Multiple myeloma is characterised by monoclonal paraprotein production and osteolytic lesions, commonly leading to skeletal-related events (spinal cord compression, pathological fracture, or surgery or radiotherapy to affected bone). Denosumab, a monoclonal antibody targeting RANKL, reduces skeletal-related events associated with bone lesions or metastases in patients with advanced solid tumours. This study aimed to assess the efficacy and safety of denosumab compared with zoledronic acid for the prevention of skeletal-related events in patients with newly diagnosed multiple myeloma...
March 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29422310/multifocal-spinal-cord-nephroblastoma-in-a-dog
#10
L C Henker, R M Bianchi, T P Vargas, E C de Oliveira, D Driemeier, S P Pavarini
A 1-year-old male American pit bull terrier was presented with a history of proprioceptive deficits and mild lameness of the right hindlimb, which progressed after 5 months to paraparesis, culminating in tetraparesis after 2 weeks. Necropsy findings were limited to the spinal cord and consisted of multiple, intradural, extramedullary, slightly red masses which produced segmental areas of medullary swelling located in the cervical intumescence, thoracolumbar column, sacral segment and cauda equina. Histological evaluation revealed a tumour, composed of epithelial, stromal and blastemal cells, with structures resembling tubules, acini and embryonic glomeruli...
January 2018: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29402569/unusual-paediatric-spinal-myxopapillary-ependymomas-unique-molecular-entities-or-pathological-variations-on-a-theme
#11
Sasha Rogers, David T W Jones, Amanda Ireland, Nick G Gottardo, Raelene Endersby
Ependymomas are the commonest type of spinal glioma which represent a group of relatively benign tumours. Myxopapillary ependymoma (MPE) is a common variant found within the distal spinal cord around the conus. These two entities are clearly differentiated on the basis of their characteristic histological and molecular features. Rare variants of MPE's are described in the literature to have the propensity to metastasise and grow in extraspinal locations despite appearing histologically identical to their more benign relatives...
April 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29354756/multifocal-intradural-extramedullary-anaplastic-ependymoma-of-the-spine
#12
Ananya Chakravorty, Ellen Frydenberg, Tint Tint Shein, John Ly, Peter Earls, Timothy Steel
Ependymomas are neuroectodermal tumours arising from the ependymal lining of the ventricles and central canal of the spinal cord. Intradural extramedullary (IDEM) ependymomas which are multifocal, and/or anaplastic (WHO grade III) at presentation are exceedingly rare. We present the second case of multifocal anaplastic IDEM ependymoma in the literature. A 47-year old female presented with left gluteal and thigh pain radiating to the groin associated with paraesthesiae. She had a normal neurological examination...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29325524/posterior-decompression-and-occipitocervical-fixation-followed-by-intraoperative-vertebroplasty-for-metastatic-involvement-of-the-axis
#13
Xinjie Wu, Mingsheng Tan, Yingna Qi, Ping Yi, Feng Yang, Xiangsheng Tang, Qingying Hao
BACKGROUND: Metastases to the upper cervical spine were rarely reported in the literature. However, metastases to this area may cause spinal instability and cord compression, which in turn can result in respiratory failure and neurological dysfunction. The present study investigated the efficacy and safety of posterior decompression and occipitocervical fixation followed by intraoperative vertebroplasty for this disease. METHODS: This was a retrospective study that included 10 patients with metastatic involvement of the axis from March 2002 to May 2014...
January 11, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29234845/eanm-guideline-for-radionuclide-therapy-with-radium-223-of-metastatic-castration-resistant-prostate-cancer
#14
Thorsten D Poeppel, Daria Handkiewicz-Junak, Michael Andreeff, Alexander Becherer, Andreas Bockisch, Eva Fricke, Lilli Geworski, Alexander Heinzel, Bernd J Krause, Thomas Krause, Markus Mitterhauser, Wilfried Sonnenschein, Lisa Bodei, Roberto C Delgado-Bolton, Michael Gabriel
Radium Ra-223 dichloride (radium-223, Xofigo®) is a targeted alpha therapy approved for the treatment of castration-resistant prostate cancer (CRPC) with symptomatic bone metastases and no known visceral metastatic disease. Radium-223 is the first targeted alpha therapy in this indication providing a new treatment option, with evidence of a significant survival benefit, both in overall survival and in the time to the first symptomatic skeletal-related event. The skeleton is the most common metastatic site in patients with advanced prostate cancer...
December 12, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29204290/meningeal-carcinomatosis-and-spinal-cord-infiltration-caused-by-a-locally-invasive-pulmonary-adenocarcinoma-in-a-cat
#15
Christoforos Posporis, Llorenç Grau-Roma, Olga Travetti, Maria Oliveira, Laura Polledo, Annette Wessmann
Case summary: A 12-year-old domestic shorthair cat was presented with acute non-painful hindlimb proprioceptive ataxia localising to T3-L3 spinal cord segments. MRI revealed paravertebral muscular hyperintensity on T2-weighted images at the level of T7-T8 vertebrae. The cat improved on conservative management but deteriorated 3 months later. Repeated MRI showed meningeal enhancement at the same level and hyperintensity of the paravertebral musculature extending to the right thoracic wall and pleural space on short tau inversion recovery images...
July 2017: JFMS Open Reports
https://www.readbyqxmd.com/read/29188529/spinal-ependymomas-in-nf2-a-surgical-disease
#16
M Kalamarides, W Essayed, J P Lejeune, R Aboukais, O Sterkers, D Bernardeschi, M Peyre, S K Lloyd, S Freeman, C Hammerbeck-Ward, M Kellett, S A Rutherford, D G Evans, O Pathmanaban, A T King
The management of spinal cord ependymomas in Neurofibromatosis Type 2 (NF2) has traditionally been conservative, in contrast to the management of sporadic cases; the assumption being that, in the context of NF2, they did not cause morbidity. With modern management and improved outcome of other NF2 tumours, this assumption, and therefore the lack of role for surgery, has been questioned. To compare the outcome of conservative treatment of spinal ependymomas in NF2 with surgical intervention in selected patients...
February 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29181871/outcome-of-9-dogs-treated-with-stereotactic-radiation-therapy-for-primary-or-metastatic-vertebral-osteosarcoma
#17
K E Swift, S M LaRue
Primary and metastatic vertebral osteosarcoma (OSA) in the dog carries an overall guarded prognosis. Previously reported definitive treatments in dogs with vertebral OSA have included surgery, radiotherapy, chemotherapy or a combination of those therapies. This retrospective study was completed to determine patterns of failure, duration of local control and survival time in dogs with vertebral OSA treated with stereotactic radiation therapy (SRT). Nine dogs were treated with SRT for vertebral OSA. Protocols ranged from 1 to 5 fractions with total prescription ranging from 13...
March 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29169628/spinal-cord-compression-in-a-horse-due-to-a-granular-cell-variant-of-neurofibroma
#18
A N E Civello, B Dunkel, B A Summers, H M Martineau
A neurofibroma of granular cell subtype is described in a 7-year-old horse. The horse had a 3-month history of ataxia affecting the forelimbs and hindlimbs, suggesting a C1-C6 neuroanatomical localization. Post-mortem examination revealed an intradural mass arising from the right sixth cervical spinal nerve and compressing the spinal cord. Histologically, the mass was composed largely of wavy spindle cells (a mixture of Schwann cells, perineurial cells and fibroblasts) intimately associated with ropy collagen fibres...
November 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29140834/prognostic-factors-in-patients-with-metastatic-spinal-cord-compression-secondary-to-melanoma-a-systematic-review
#19
Nicholas J Hadden, Jerome R D McIntosh, Samuel Jay, Paula J Whittaker
Melanoma is one of the most common primary tumours associated with metastatic spinal cord compression (MSCC). The aim of this review is to identify prognostic factors specifically for MSCC secondary to melanoma. A systematic search of literature was performed in MEDLINE, Embase and the Cochrane Library to identify studies reporting prognostic factors for patients with MSCC secondary to melanoma. Two studies, involving a total of 39 patients, fulfilled the inclusion criteria. The variables associated with increased survival were receiving postoperative radiotherapy, receiving chemotherapy, perioperative lactate dehydrogenase level less than or equal to 8...
February 2018: Melanoma Research
https://www.readbyqxmd.com/read/29073497/therapeutic-approaches-for-protecting-bone-health-in-patients-with-breast-cancer
#20
REVIEW
Diana Lüftner, Daniela Niepel, Guenther G Steger
Improvements in the survival of patients with breast cancer, together with a better understanding of the pathology of the disease, have led to the emergence of bone health as a key aspect of patient management. Patients with breast cancer are typically at risk of skeletal complications throughout their disease course. The receptor activator of nuclear factor κ B ligand (RANKL) inhibitor denosumab and bisphosphonates (e.g. zoledronic acid) are approved in Europe for the prevention of skeletal-related events (pathologic fracture, radiation or surgery to bone, and spinal cord compression) in adults with bone metastases secondary to solid tumours...
February 2018: Breast: Official Journal of the European Society of Mastology
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